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Discussion Starter #1
2000 and newer Dakotas and Durangos have a built-in system that can display check engine light (CEL) codes without the use of a scanner. 1999 and earlier Dakotas/Durangos must be read with a scanner, check your local dealership or auto parts store for assistance.

To check your engine codes:
Turn the key to ON (not start), OFF, ON, OFF, ON and leave it there. If you look in the odometer window the codes will flash any code(s) with a small delay between each result. Each code should be in a P#### format, and will say PDONE when completed - turn your key to OFF and remove. Use the OBD code list to determine what problem the computer detected.

To reset your engine codes:
Remove the negative terminal of your battery (10mm wrench).
Turn your ignition key to START and hold it there for about 15 seconds.
Turn your ignition key to OFF and remove it.
Connect the negative terminal of your battery.
 

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Discussion Starter #2
P0030 (M) 1/1 O2 Sensor Heater Relay Circuit Problem detected in oxygen sensor heater relay circuit.
P0036 (M) 1/2 O2 Sensor Heater Relay Circuit Problem detected in oxygen sensor heater relay circuit.
P0106 Barometric Pressure Out Of Range MAP sensor input voltage out of an acceptable range detected during reading of barometric pressure at key-on.
P0107 (M) Map Sensor Voltage To Low MAP sensor input below minimum acceptable voltage.
P0108 (M) Map Sensor Voltage To High MAP sensor input above maximum acceptable voltage.
P0112 (M) Intake Air Temp Sensor Voltage Low Intake air (charge) temperature sensor input below the minimum acceptable voltage.
P0113 (M) Intake Air Temp Sensor Voltage High Intake air (charge) temperature sensor input above the maximum acceptable voltage.
P0116 A rationality error has been detected in the coolant temp sensor.
P0117 (M) ETC Sensor Voltage Too Low Engine coolant temperature sensor input below the minimum acceptable voltage.
P0118 (M) ETC Sensor Voltage To High Engine coolant temperature sensor input above the maximum acceptable voltage.
P0121 (M) TPS Voltage Does Not Agree With MAP TPS signal does not correlate to MAP sensor signal.
P0121 (M) Accelerator Position Sensor (APPS) Signal Voltage Too Low APPS voltage input below the minimum acceptable voltage.
P0122 (M) Throttle Position Sensor Voltage Low Throttle position sensor input below the acceptable voltage range.
P0122 (M) Accelerator Position Sensor (APPS) Signal Voltage Too Low APPS voltage input below the minimum acceptable voltage.
P0123 (M) Throttle Position Sensor Voltage High Throttle position sensor input above the maximum acceptable voltage.
P0123 (M) Accelerator Position Sensor (APPS) Signal Voltage Too High APPS voltage input above the maximum acceptable voltage.
P0125 (M) Closed Loop Temp Not Reached Time to enter closed loop operation (fuel control) is excessive.
P0125 (M) Engine Is Cold Too Long Engine does not reach operating temperature.
P0131 (M) 1/1 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range.
P0132 (M) 1/1 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range.
P0133 (M) 1/1 O2 Sensor Slow Response Oxygen sensor response slower than minimum required switching frequency.
P0134 (M) 1/1 O2 Sensor Stays At Center Neither rich or lean condition is detected from the oxygen sensor input.
P0135 (M) 1/1 O2 Sensor Heater Failure Oxygen sensor heater element malfunction.
P0137 (M) 1/2 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range.
P0138 (M) 1/2 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range.
P0139 (M) 1/2 O2 Sensor Slow Response Oxygen sensor response not as expected.
P0140 (M) 1/2 O2 Sensor Stays At Center Neither rich or lean condition is detected from the oxygen sensor.
P0141 (M) 1/2 O2 Sensor Heater Failure Oxygen sensor heater element malfunction.
P0143 (M) 1/3 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range.
P0144 (M) 1/3 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range.
P0145 (M) 1/3 O2 Sensor Slow Resonse Oxygen sensor response slower than minimum required switching frequency.
P0146 (M) 1/3 O2 Sensor Stays At Center Neither rich or lean condition is detected from the oxygen sensor.
P0147 (M) 1/3 O2 Sensor Heater Failure Oxygen sensor heater element malfunction.
P0151 (M) 2/1 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range.
P0152 (M) 2/1 O2 Sensor Shorted To Voltage Oxygen sensor input voltage sustained above normal operating range.
P0153 (M) 2/1 O2 Sensor Slow Response Oxygen sensor response slower than minimum require switching frequency.
P0154 (M) 2/1 O2 Sensor Stays At Center Neither rich or lean condition is detected from the oxygen sensor.
P0155 (M) 2/1 O2 Sensor Heater Failure Oxygen sensor heater element malfunction.
P0157 (M) 2/2 O2 Sensor Shorted To Ground Oxygen sensor input voltage input voltage maintained above normal operating range.
P0158 (M) 2/2 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range.
P0159 (M) 2/2 O2 Sensor Slow Response Oxygen sensor response slower than minimum required switching frequency.
P0160 (M) 2/2 O2 Sensor Stays At Center Neither rich or lean condition is detected from the oxygen sensor.
P0161 (M) 2/2 O2 Sensor Heater Failure Oxygen sensor heater element malfunction.
P0168 Decreased Engine Performance Due To High Injection Pump Fuel Temp Fuel temperature is above the engine protection limit. Engine power will be derated.
P0171 (M) 1/1 Fuel System Lean A lean air/fuel mixture has been indicated by an abnormally rich correction factor.
P0172 (M) 1/1 Fuel System Rich A rich air/fuel mixture has been indicated by an abnormally lean correction factor.
P0174 (M) 2/1 Fuel System Lean A lean air/fuel mixture has been indicated by an abnormally rich correction factor.
P0175 (M) 2/1 Fuel System Rich A rich air/fuel mixture has been indicated by an abnormally lean correction factor.
P0176 Loss of Flex Fuel Calibration Signal No calibration voltage present from flex fuel sensor
P0177 Water In Fuel Excess water found in fuel by water-in-fuel sensor.
P0178 Flex Fuel Sensor Volts To Low Flex fuel sensor input below minimum acceptable voltages.
P0178 Water In Fuel Sensor Voltage To Low Loss of water-in-fuel circuit sensor.
P0179 Flex Fuel Sensor Volts To High Flex fuel sensor input above maximum acceptable voltages.
P0181 Fuel Injection Pump Failure Low power, engine derated, or engine stops.
P0182 (M) CNG Temp Sensor Voltage To Low Compressed natural gas temperature sensor voltage below acceptable voltage.
P0183 (M) CNG Temp Sensor Voltage To High Compressed natural gas temperature sensor voltage above acceptable voltage.
 

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Discussion Starter #3
P0201 (M) Injector #1 Control Circuit An open or shorted condition detected in control circuit for injector #1 or the INJ 1 injector bank.
P0202 (M) Injector #2 Control Circuit An open or shorted condition detected in control circuit for injector #2 or the INJ 2 injector bank.
P0203 (M) Injector #3 Control Circuit An open or shorted condition detected in control circuit for injector #3 or the INJ 3 injector bank.
P0204 (M) Injector #4 Control Circuit Injector #4 or INJ 4 injector bank output driver stage does not respond properly to the control signal.
P0205 (M) Injector #5 Control Circuit Injector #5 or INJ 5 injector bank output driver stage does not respond properly to the control signal.
P0206 (M) Injector #6 Control Circuit Injector #6 or INJ 6 injector bank output driver does not respond properly to the control signal.
P0207 (M) Injector #7 Control Circuit Injector #7 or INJ 7 injector bank output driver does not respond properly to the control signal.
P0208 (M) Injector #8 Control Circuit Injector #8 or INJ 8 injector bank output driver does not respond properly to the control signal.
P0209 (M) Injector #9 Control Circuit Injector #9 or INJ 9 injector bank output driver does not respond properly to the control signal.
P0210 (M) Injector #10 Control Circuit Injector #10 or INJ 10 injector bank output driver does not respond properly to the control signal.
P0215 Fuel Injection Control Circuit. Failure in fuel pump relay control circuit.
P0216 (M) Fuel Injection Pump Timming Failure High fuel supply restriction, low fuel pressure or possible wrong or incorrecty installed pump keyway.
P0217 Decreased Engine Performance Due To Engine Overheat Condition Engine overheating. ECM will derate engine performance.
P0219 Crankshaft Position Sensor Overspeed Signal Engine has exceeded rpm limits.
P0222 (M) Idle Validation Signals Both Low Problem detected with idle validation circuits within APPS.
P0223 (M) Idle Validation Signals Both High (Above 5 Volts) Problem detected with idle validation circuits within APPS.
P0230 Transfer Pump (Lift Pump) Circuit Out Of Range Problem detected in fuel transfer pump circuits.
P0232 Fuel Shutoff Signal Voltage Too High Fuel shut-off signal voltage too high from ECM to fuel injection pump.
P0234 (M) Turbo Boost Limit Exceeded Problem detected in Torbocharger wastegate.
P0236 (M) Map Sensor Too High Too Long Problem detected in Torbocharger wastegate.
P0237 (M) Map Sensor Voltage Too Low MAP sensor voltage input below the minimum acceptable voltage.
P0238 (M) Map Sensor Voltage Too High MAP sensor voltage input above the maximum acceptable voltage.
P0251 (M) Fuel Inj. Pump Mech. Failure Fuel Valve Feedback Circuit Problem sensed with fuel circuit internal to fuel injection pump.
P0253 (M) Fuel Injection Pump Fuel Valve Open Circuit Problem sensed with fuel circuit internal to fuel injection pump.
P0254 Fuel Injection Pump Fuel Valve Current Too High Problem caused by internal fuel injection pump failure.
P0300 (M) Multiple Cylinder Mis-Fire Misfire detected in multiple cylinders
P0301 (M) Cylinder #1 Mis-Fire Misfire detected in cylinder #1.
P0302 (M) Cylinder #2 Mis-Fire Misfire detected in cylinder #2.
P0303 (M) Cylinder #3 Mis-Fire Misfire detected in cylinder #3.
P0304 (M) Cylinder #4 Mis-Fire Misfire detected in cylinder #4.
P0305 (M) Cylinder #5 Mis-Fire Misfire detected in cylinder #5.
P0306 (M) Cylinder #6 Mis-Fire Misfire detected in cylinder #6.
P0307 (M) Cylinder #7 Mis-Fire Misfire detected in cylinder #7.
P0308 (M) Cylinder #8 Mis-Fire Misfire detected in cylinder #8.
P0309 (M) Cylinder #9 Mis-Fire Misfire detected in cylinder #9.
P0310 (M) Cylinder #10 Mis-Fire Misfire detected in cylinder #10.
P0320 (M) No Crank Reference Signal at PCM No reference signal (Crankshaft position sensor) detected during engine cranking.
P0320 (M) No RPM Signal to PCM (Crankshaft Position Sensor Signal to JTEC) A CKP signal has not been detected at the PCM.
P0325 Knock Sensor #1 Circuit Knock sensor (#1) signal above or below minimum acceptable threshold voltage at particular engine speeds.
P0330 Knock Sensor #2 Circuit Knock sensor (#2) signal above or below minimum acceptable threshold voltage at particular engine speeds.
P0336 (M) Crankshaft Position (CKP) Sensor Signal Problem with voltage signal from CKP.
P0340 (M) No Cam Signal At PCM No fuel sync.
P0341 (M) Camshaft Position (CMP) Sensor Signal Problem with voltage signal from CMP.
P0350 Ignition Coil Draws Too Much Current A coil (1-5) is drawing too much current.
P0351 (M) Ignition Coil #1 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time.
P0352 (M) Ignition Coil #2 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time.
P0353 (M) Ignition Coil #3 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time.
P0354 (M) Ignition Coil #4 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time (High impedance).
P0355 (M) Ignition Coil #5 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time (High impedance).
P0356 (M) Ignition Coil #6 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time (High impedance).
P0357 (M) Ignition Coil #7 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time (High impedance).
P0358 (M) Ignition Coil #8 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time (High impedance).
P0370 Fuel Injection Pump Speed/Position sensor Signal Lost Problem caused by internal fuel injection pump failure.
P0380 (M) Intake Air Heater Relay #1 Control Circuit Problem detected in #1 air heater solenoid/relay circuit (not heater element)
P0381 (M) Wait To Start Lamp Inoperative Problem detected in wait-to-start bulb circui.
P0382 (M) Intake Air Heater Relay #2 Control Circuit Problem detected in #2 air heater solenoid/relay circuit (not heater element)
P0387 Crankshaft Position Sensor Supply Too Low CKP sensor voltage input below the minimum acceptable voltage.
P0388 Crankshaft Position Sensor Supply Too High CKP sensor voltage input above the maximum acceptable voltage.
P0401 EGR System Failure Required change in air/fuel ratio not detected during diagnostic test.
P0403 EGR Solenoid Circuit An open or shorted condition detected in the EGR solenoid control circuit.
P0404 EGR Position Sensor Rationality EGR position sensor signal does not correlate to EGR duty cycle.
P0405 EGR Position Sensor Volts Too Low EGR position sensor input below the acceptable voltage range.
P0406 EGR Poition Sensor Volts Too High EGR position sensor input above the acceptable voltage range.
P0412 Secondary Air Solenoid Circuit An open or shorted condition detected in the secondary air (air switching/aspirator) solenoid control circuit.
P0420 (M) 1/1 Catalytic Converter Efficiency Catalyst 1/1 efficiency below required level.
P0432 (M) 1/2 Catalytic Converter Efficiency Catalyst 1/2 efficiency below required level.
P0441 (M) Evap Purge Flow Monitor Insufficient or excessive vapor flow detected during evaporative emission system operation.
P0442 (M) Evap Leak Monitor Meduim Leak Detected A small leak has been detected in the evaportive sysem.
P0443 (M) Evap Purge Soleniod Circuit An open or shorted condition detected in the EVAP purge solenoid control circuit.
P0455 (M) Evap Leak Monitor Large Leak Detected A large leak has been detected in the evaporative sysem.
P0456 (M) Evap Leak Monitor Small Leak Detected Leak has been detected in the evaporative system.
P0460 Fuel Level Unit No Change Over Miles During low fuel
P0460 Fuel Level Unit No Change Over Miles Fuel level sending unit voltage does not change for more than 40 miles.
P0462 Fuel Level Sending Unit Volts Too Low Fuel level sensor below acceptable voltage.
P0462 (M) Fuel Level Sending Unit Volts Too Low Open circuit between PCM and fuel guage sending unit.
P0463 Fuel Level Sending Unit Volts Too High Fuel level sensor above acceptable voltage.
P0463 (M) Fuel Level Sending Unit Volts Too High Circuit shorted to voltage between PCM and fuel guage sending unit.
 

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Discussion Starter #4
P0500 (M) No Vehicle Speed Sensor Signal No vehicle speed sensor signal detected during road load conditions.
P0505 (M) Idle Air Control Motor Circuits A vehicle speed signal was not detected.
P0522 Oil Pressure Voltage to Low SBEC II
P0523 Oil Pressure Voltage to High Oil pressure sending unit (sensor) voltage input below the minimum acceptaple voltage.
P0524 Oil Pressure Too Low Oil pressure sending unit (sensor) voltage input above the maximum acceptaple voltage.
P0545 A/C Clutch Relay Circuit Problem detected in air conditioning in clutch relay control circuit.
P0551 Power Steering Switch Failure Incorrect input state detected for the power steering switch circuit. PL: High pressure seen at high speed.
P0562 Charging System Voltage Too Low Supply voltage sensed at PCM too low.
P0563 Charging System Voltage Too High Supply voltage sensed at PCM too high.
P0600 PCM Failure SPI Communications No communication detected between co-processors in the control module.
P0601 (M) Internal Controller Failure Internal control module fault condition (check sum) detected.
P0602 (M) ECM Fueling Calibration Error ECM internal fault condition detected.
P0604 Transmission control module RAM self test fault detected. -Aisin transmition
P0605 Transmission control module ROM self test fault detected. -Aisin transmition
P0606 (M) ECM Failure ECM internal fault condition detected.
P0615 Starter Relay Control Circuit An open or shorted condition detected in the starter relay control circuit.
P0622 (M) Generator Field Not Switching Properly An open or shorted condition detected in the generator field control circuit.
P0645 A/C Clutch Relay Circuit An open or shorted condition detected in the A/C clutch relay control circuit.
P0700 EATX Controller DTC Present This SBEC III or JTEC DTC indicates that the EATX or Aisin controller has an active fault and has illuminated the MIL via a CCD (EATX) or SCI (Aisin) message. The specific fault must be acquired from the EATX via CCD or from the Aisin via ISO-9141. After
P0703 Brake Switch Stuck Pressed Or Released Incorrect input state detected in the brake switch circuit. (Changed from page P1595)
P0711 (M) Trans Temp Sensor, No Temp Rise After Start Relationship between the transmission temperature and overdrive operation and/or TCC operation indicates a failure of the transmission temperature sensor. OBD II rationality. Was MIL code 37.
P0712 Trans Temp Sensor Voltage Too Low Transmission fluid temperature sensor input below acceptable voltage. Was MIL code 37.
P0712 (M) Trans Temp Sensor Voltage Too Low Voltage less than 1.55 volts (4-speed auto. Trans. Only).
P0713 Trans Temp Sensor Voltage Too High Transmission fluid temperature sensor input below acceptable voltage. Was MIL code 37.
P0713 (M) Trans Temp Sensor Voltage Too High Voltage greater than 3.76 volts (4-speed auto. Trans. Only).
P0720 (M) Low Output SPD Sensor RPM, Above 15 mph The relationship between the Output Shaft Speed Sensor and vehicle speed is not within acceptable limits.
P0720 (M) Low Output SPD Sensor RPM, Above 15 mph Output shaft speed is less than 60 rpm with vehicle speed above 15 mph (4-speed auto. Trans. Only).
P0740 (M) Torq Con Clu, No RPM Drop At Lockup Relationship between engine and vehicle speeds indicated failure of torque converter clutch lock-up system. (TCC/PTU sol)
P0743 (M) Torque Converter Clutch Solenoid/Trans Relay Circuits An open or shorted condition detected in the torque converter clutch (part throttle unlock) solenoid control circuit. Shift soleniod C electrical fault-Aisin transmition
P0743 (M) Torque Converter Clutch Solenoid/Trans Relay Circuits An open or shorted condition detected in the torque converter part throttle unlock solenoid circuit (3 or 4-speed auto. Trans. Only).
P0748 (M) Governer Pressure Soleniod Control/Transmission Relay Circuits An open or shorted condition detected in the governor pressure solenoid circuit or trans relay circuit in JTEC RE transmissions.
P0748 (M) Governer Pressure Soleniod Control/Transmission Relay Circuits An open or shorted condition detected in the governor pressure solenoid or relay circuits (4-speed auto. Trans. Only).
P0751 (M)_ O/D Switch Pressed (Lo) more than 5 Minutes Override switch input is in a prolongated depressed state.
P0751 (M)_ O/D Switch Pressed (Lo) more than 5 Minutes Overdrive off switch input too low for more than 5 minutes (4-speed auto. Trans. Only).
P0753 (M) Transmission 3-4 Shift Soleniod/Transmission Relay Circuits An open or shorted circuit detected in the overdrive solenoid control circuit or trans relay circuit in JTEC RE transmissions . Was MIL code 45.
P0753 (M) Transmission 3-4 Shift Soleniod/Transmission Relay Circuits An open or shorted condition detected in the transmission 2-4 shift solenoid circuit (4-speed auto. Trans. Only).
P0756 AW4 Shift Soleniod B (2-3) Functional Failure Shift solenoid B (2-3) functional fault-Aisin transmission
P0783 (M) 3-4 Shift Solenoid, No RPM Drop At Lockup The overdrive solenoid is unable to engage the gear change from 3rd gear to the overdrive gear.
P0801 Reverse Gear Lockout Circuit Open Or Short An open or shorted condition detected in the transmission reverse gear lock-out solenoid control circuit.
P0830 Clutch Depressed Switch Circuit Problem detected in clutch switch circuit.
P0833 Clutch Released Switch Circuit Problem detected in clutch switch circuit.
P1110 Decrease Engine Performance Due To High Intake Air Temperature Intake manifold air temperature is above the engine protection limit. Engine power will be derated.
P1180 Decrease Engine Performance Due To High Injection Pump Fuel Temperature Fuel temperature is above the engine protection limit. Engine power will be derated.
P1195 (M) 1/1 O2 Sensor Slow During Catalyst Monitor A slow switching oxygen sensor has been detected in bank 1/1 during catalyst monitor test. (Also see SCI DTC $66) (was P0133)
P1196 (M) 2/1 O2 Sensor Slow During Catalyst Monitor A slow switching oxygen sensor has been detected in bank 2/1 during catalyst monitor test. (Also see SCI DTC $7A) (was P0153)
P1197 1/2 O2 Sensor Slow During Catalyst Monitor A slow switching oxygen sensor has been detected in bank 1/2 during catalyst monitor test. (Also see SCI DTC $68) (was P0139)
P1198 Radiator Temperature Sensor Volts Too High Radiator coolant temperature sensor input above the maximum acceptable votage.
P1199 Radiator Temperature Sensor Volts Too Low Radiator coolant temperature sensor input below the minimum acceptable votage.
P1281 Engine Is Cold Too Long Engine coolant temperature remains below normal operating temperatures during vehicle travel (thermostat).
P1282 Fuel Pump Relay Control Circuit An open or shorted circuit detected in the fuel pump relay control circuit.
P1283 Idle Select Signal Invalid ECM or fuel injection pump module internal fault condition detected. Engine power will be derated.
P1284 (M) Fuel Injection Pump Battery Voltage Out-Of-Range Fuel injection pump module internal fault condition detected. Engine power will be derated.
P1285 (M) Fuel Injection Pump Controller Always On Fuel injection pump module relay circuit failure detected. Engine power will be derated.
P1286 Accelerator Position Sensor (APPS) Supply Voltage Too High High voltage detected at APPS.
P1287 Fuel Injection Pump Controller Supply Voltage Low ECM or fuel injection pump module internal fault condition detected. Engine power will be derated.
P1288 Intake Manifold Short Runner Soleniod Circuit An open or shorted condition detected in the short runner tuning valve circuit.
P1289 Manifold Tune Valve Soleniod Circuit An open or shorted condition detected in the manifold tuning valve soleniod control circuit.
P1290 CNG Pressure Sensor Voltage Too High Compressed natural gas system pressure above normal operating range.
P1291 No Temperature Rise Seen From Intake Heaters Energizing heater air intake does not change intake air temperature semsor an acceptable amount.
P1291 (M) No Temperature Rise Seen From Intake Heaters Problem detected in intake manifold air heating system.
P1292 CNG Pressure Sensor Voltage Too High Compressed natural gas pressure sensor reading above acceptable voltage.
P1293 CNG Pressure Sensor Voltage Too Low Compressed natural gas pressure sensor reading below acceptable voltage.
P1294 (M) Target Idle Not Reached Target RPM not achieved during drive idle condition. Problem vacuum leak or IAC (AIS) lost steps.
P1295 (M) No 5 Volts To TP Sensor Loss of 5 volt feed to the throttle position sensor has been detected.
P1295 (M) Accelerator Position Sensor (APPS) Supply Voltage Too Low APPS voltage input below the minimum acceptable voltage.
P1296 No 5 Volts To MAP Sensor Loss of 5 volt feed to the MAP sensor has been detected.
P1297 (M) No Change In MAP From Start To Run No difference is reconized between the MAP reading at engine idle and the stored barometric pressure reading.
P1298 Lean Operation At Wide Open Throttle A prolonged lean condition is dectected during wide open throttle.
P1299 Vacuum Leak Found (IAC Fully Seated) MAP sensor signal does not correlate to throttle position sensor signal. Possible vacuum leak.
 

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Discussion Starter #5
P1388 Auto Shutdown Relay Control Circuit An open or shorted condition detected in the ASD or CNG shutoff relay control CKT.
P1388 Auto Shutdown Relay Control Circuit An open or shorted condition detected in the auto shutdown relay circuit.
P1389 No ASD Relay Output Voltage At PCM No Z1 or Z2 voltage sensed when the auto shutdown relay is energized.
P1389 (M) No ASD Relay Output Voltage At PCM An open condition detected in the ASD relay output circuit.
P1390 Timming Belt Skipped 1 Tooth Or More Relationship between cam and crank signals not correct.
P1391 (M) Intermittent Loss Of CMP Or CKP Loss of the cam positon sensor or crank position sensor has occurred. For PL 2.0L
P1398 (M) Mis-Fire Adaptive Numerator at Limit PCM is unable to learn the crank sensor's signal in preperation for misfire diagnostics. Probable defective crank sensor.
P1399 Wait To Start Lamp Circuit An open or shorted condition detected in the wait to start lamp circuit.
P1403 loss of 5 volt feed to the EGR position sensor.
P1475 Aux 5 Volt Supply Voltage High Sensor supply voltage for ECM sensors is too high.
P1476 Too Little Secondary Air Insufficient flow of secondary air injection detected during aspirator test. (was P0411)
P1477 Too Much Secondary Air Excessive flow of secondary air injection detected during aspirator test. (was P0411)
P1478 Battery Temperature Sensor Volts Out Of Limit Internal temperature sensor input voltage out of an acceptable range.
P1479 Transmission Fan Relay Circuit An open or shorted condition detected in the transmission fan relay circuit.
P1480 PCV Solenoid Circuit An open or shorted condition detected in thePCV solenoid circuit.
P1481 EATX RPM pulse generator signal for misfire detection does not correlate with expected value.
P1482 Catalyst Temperature Sensor Circuit Shorted Low Catalyst temperature sensor circuit shorted low.
P1483 Catalyst Temperature Sensor Circuit Shorted High Catalyst temperature sensor circuit shorted high.
P1484 Catalytic Converter Overheat Detected A catalyst overheat condition has been detected in the air assist solenoid circuit.
P1485 Air Injection Soleniod Circuit An open or shorted condition detected in the air assist solenoid circuit.
P1486 Evap Leak Monitor Pinched Hose Found LDP has detected a pinched hose in the enaporative hose system.
P1487 Hi Speed Rad Fan CTRL Relay Circuit An open or shorted condition detected in the control circuit of the #2 high speed radiator fan control relay.
P1488 Auxiliary 5 Volt Supply Output Too Low Auxiliary 5 volt sensor feed is sensed to be below an acceptable limit. (see also DTC $92)
P1488 5 Volt Supply Voltage Low Sensor supply voltage for ECM sensors is too low.
P1489 High Speed Fan CTRL Relay Circuit An open or shorted condition detected in the control circuit of the high speed radiator fan control relay.
P1490 Low Speed Fan CTRL Relay Circuit An open or shorted condition detected in the control circuit of the low speed radiator fan control relay.
P1491 Rad Fan Control Relay Circuit An open or shorted condition detected in the radiator fan control relay circuit.This includes PWM solid state relays.
P1492 Ambient/Battery Temperature Sensor Volts Too High External temperture sensor input above acceptable voltage.
P1492 (M) Ambient/Battery Temperature Sensor Volts Too High Battery temperture sensor input above acceptable range.
P1493 (M) Ambient/Battery Temperature Sensor Volts Too Low External temperture sensor input below acceptable voltage.
P1493 (M) Ambient/Battery Temperature Sensor Volts Too Low Battery temperture sensor input below acceptable range.
P1494 (M) Leak Detection Pump Sw or Mechanical Fault Incorrect input state detected for the leak detection pump (LDP) pressure switch.
P1495 Leak Detection Pump Soleniod Circuit An open or shorted condition detected in the leak detection pump (LDP) solenoid circuit.
P1496 5 Volt Supply Output Too Low A 5 volt sensor feed is sensed to be below an acceptable limit. (<4v for 4 seconds)
P1498 High Speed Rad Fan Ground CTRL Relay Circuit An open or shorted condition detected in the control circuit of the #3 high speed radiator fan control relay.
P1594 (G) Charging System Voltage Too High Battery voltage sense input above target charging voltage during engine operation.
P1594 Charging System Voltage Too High Battery voltage sense input above target charging voltage during engine operation.
P1595 Speed Control Soleniod Circuit An open or shorted condition detected in either of the speed control vacuum or vent solenoid circuits.
P1595 Speed Control Soleniod Circuit An open or shorted condition detected in the speed control vacuum or vent solenoid circuits.
P1596 Speed Control Switch Always High Speed control switch input above maximum acceptable voltage.
P1597 Speed Control Switch Always Low Speed control switch input below minimum acceptable voltage. (LH)
P1597 Speed Control Switch Always Low Speed control switch input below minimum acceptable voltage.
P1598 A/C Pressure Sensor Volts Too High A/C pressure sensor input above maximum acceptable voltage.
P1598 A/C Sensor Imput High Problem detected in air conditioning electrical circuit.
P1599 A/C Pressure Sensor Volts Too Low A/C pressure sensor input below minimum acceptable voltage.
P1599 A/C Sensor Volts Input Low Problem detected in air conditioning electrical circuit.
P1680 Clutch Released Switch Circuit
P1681 No I/P Cluster CCD/J1850 Message Received No CCD/J1850 message received from the cluster control module.
P1682 (G) Charging System Voltage Too Low Battery voltage sense input below target charging voltage during engine operation and no significant change in voltage detected during active test of generator output circuit.
P1682 Charging System Voltage Too Low Charging system output voltage low.
P1683 SPD CTRL PWR Relay; or S/C 12v Driver CKT An open or shorted condition detected in the speed control servo power control circuit. (SBEC II: ext. relay)
P1683 SPD CTRL PWR Relay; or S/C 12v Driver Circuit An open or shorted condition detected in the speed control servo power control circuit.
P1684 The battery has been disconnected within the last 50 starts.
P1685 The engine controller has received an invalid key from the SKIM.
P1686 No SKIM BUS Message No CCD/J1850 messages received from the smart key immobilizer module (SKIM).
P1687 No MIC BUS Message No CCD/J1850 messages received from the mechanical instrument cluster (MIC) module.
P1688 (M) Internal Fuel Injection Pump Controller Failure Internal problem within the fuel injection pump. Low power, engine derated, or engine stops.
P1689 (M) No Communication Between ECM And Injection Pump Module Data link circuit failure between ECM and fuel injection pump. Low power, engine derated, or engine stops.
P1690 (M) Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor Problem in fuel sync signal. Possible injection pump timming problem. Low power, engine derated, or engine stops.
P1691 Fuel Injection Pump Controller Calibration Error Internal fuel injection pump failure. Low power, engine derated, or engine stops.
P1692 DTC Set In ECM A "Companion DTC" was set in both ECM and PCM.
P1693 (M) DTC Detected In Companion Module A fault has been generated in the companion engine control module.
P1693 (M) DTC Detected In PCM/ECM Or DTC Detected In ECM A "Companion DTC" was set in both ECM and PCM.
P1694 Fault In Companion Module No CCD/J1850 messages received from the powertrain control module-Aisin transmission.
P1694 (M) No CCD Messages Received From ECM Bus communication failure to PCM.
P1695 No CCD/J1850 Message From Body Control Module No CCD/J1850 messages received from the body control module.
P1696 PCM Failure EEPROM Write Denied Unsuccessful attempt to write EEPROM location by the control module.
P1697 PCM Failure SRI Mile Not Stored Unsuccessful attempt to update service reminder indicator (SIR or EMR) milage in the control module EEPROM.
P1698 No CCD/J1850 Message From TCM No CCD/J1850 messages received from the electronic transmission control module (EATX) or the Aisin tarnsmission controller.
P1698 No CCD Messages Received From PCM Bus communication failure to PCM. A "Companion DTC" was set in both the ECM and PCM.
 

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Discussion Starter #6
P1719 Skip Shift Solenoid Circuit An open or shorted condition detected in the transmission 2-3 gear lock-out solenoid control circuit.
P1740 A rationality error has been detected in either the TCC soleniod or overdrive solenoid systems.
P1740 (M) TCC Or O/D Solenoid Performance Problem detected in transmission convertor clutch and/or overdrive circuits (diesel engine with 4-speed auto. Trans. Only).
P1756 (M) GOV Pressure Not Equal To Target @ 15-20 PSI The requested pressure and the actual pressure are not within a tolerance band for the Governor Control System which is used to regulate governor pressure to control shifts for 1st, 2nd, and 3rd gear. (Mid Pressure Malfunction)
P1756 (M) Governor Pressure Not Equal To Target @ 15-20 PSI Governor sensor input not between 10 and 25 psi when requested to be 0 psi. (4-speed auto. Trans. Only)
P1757 GOV Pressure Not Equal To Target @ 15-20 PSI The requested pressure and the actual pressure are not within a tolerance band for the Governor Control System which is used to regulate governor pressure to control shifts for 1st, 2nd, and 3rd gear. (Zero Pressure Malfunction)
P1757 (M) Governor Pressure Above 3 PSI In Gear With O MPH The Govenor Pressure greater than 3 psi when requested to be 0 psi. (4-speed auto. Trans. Only)
P1762 (M) GOV Pressure Sen Offset Volts Too Low Or High The Governor Pressure Sensor input greater or less than calibration for 3 consecutive Neutral/Park calibrations.
P1762 (M) Governor Pressure Sen Offset Volts Too Low Or High Sensor input greater or less than calibration for 3 consecutive Neutral/Park occurances. (4-speed auto. Trans. Only)
P1763 Governor Pressure Sensor Volts Too High The Governor Pressure Sensor input is above an acceptable voltage level.
P1763 (M) Governor Pressure Sensor Volts Too High Voltage greater than 4.89 volts. (4-speed auto. Trans. Only)
P1764 (M) Governor Pressure Sensor Volts Too Low The Governor Pressure Sensor input is below an acceptable voltage level.
P1764 (M) Governor Pressure Sensor Volts Too Low Voltage less than .10 volts. (4-speed auto. Trans. Only)
P1765 (M) Trans 12 Volt Supply Relay CTRL Circuit An open or shorted condition is detected in the Transmission Relay control circuit. This relay supplies power to the TCC.
P1765 (M) Trans 12 Volt Supply Relay CTRL Circuit Current state of solenoid output port is different than expected (4-speed auto. Trans. Only).
P1899 (M) P/N Switch Stuck In Park Or In Gear Incorrect input state detected for the Park/Neutral switch.
P1899 (M) P/N Switch Stuck In Park Or In Gear Incorrect input state detected for the Park/Neutral switch (3 or 4-speed auto. Trans. Only).
 

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2000 and newer Dakotas and Durangos have a built-in system that can display check engine light (CEL) codes without the use of a scanner. 1999 and earlier Dakotas/Durangos must be read with a scanner, check your local dealership or auto parts store for assistance.

To check your engine codes:
Turn the key to ON (not start), OFF, ON, OFF, ON and leave it there. If you look in the odometer window the codes will flash any code(s) with a small delay between each result. Each code should be in a P#### format, and will say PDONE when completed - turn your key to OFF and remove. Use the OBD code list to determine what problem the computer detected.

To reset your engine codes:
Remove the negative terminal of your battery (10mm wrench).
Turn your ignition key to START and hold it there for about 15 seconds.
Turn your ignition key to OFF and remove it.
Connect the negative terminal of your battery.
Great info, thanks. :)
 

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this worked!! thanks..Anyone know where the oxegen sensor o2 is located, I'm told near converter but can't find it..
I don't know if there are diffrences between the V6 and V8 engines on this, but mine has four o2 sensors. One in each of the down pipes coming off each exhaust manifold, one in the top of the front of the cat, and one after the cat. I hope this helps.:)

This is a pic of the after cat sensor location on my 5.9L. The pre cat is at the front of the cat on top close to the floorboard. It was missing when this pic was made but has since been replaced.
 

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thank you for your time

that is a most helpful picture, i'm heading to autozone to get the part tommorow.. Once agian, thanks alot..Mark
 

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Discussion Starter #11
i have 4 o2 sensors on my 3.7l... 2 cats 1 per bank... just follow your manifold to your down pipe/ypipe and you should see a big lump with a o2 in front of it upstreem/pre o2 sensor and one after the post/down streem o2 sensor
 

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Are all the above DTC applicable to all Dodge Dakotas? I have a 93 4x4 V6.
Most of those codes will apply to yours..but not all of the codes
may apply depending on configuration/engine type...ie: "nat gas
fuel",transmission type.

Generic codes start at P0010 and go up to P0849.
Chrysler specfic codes start at P1103 and go up to P1899

(Other manufacturers may use subsets of the P-codes IE:
Ford specific codes start at P1000 and go up to P1901
GM specific codes start at P1031 and go up to P1895
and so on..)

The best thing to do to find out which codes are applicable to
the model year of your Dakota , is to look in the Haynes (or Chilton)
repair manuals for P-codes applicable to your model year, however;
the generic ones in the range mentioned above do apply to most model years.
http://www.haynes.com/products/productID/119

I have a Haynes for my 1998 Dakota 5.2L V8.

In the Emissions and engine control section it lists the P-Codes
applicable to the 1998/99 Dakota/Durango models (P0107 to P1899),
so it's mix of the Generic OBDII codes and Chrysler specific OBDII codes.
 

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Just a note to those that are replacing O2 sensors for the first time. Removing the old ones can be a trial and is a lot easier if you get the right socket for the job. This looks like an impact socket with a slot in it to be able to get past the wiring. A regular socket will work, but you need to cut the wires, an open end wrench will work if the threads are already loose, otherwise it will spread and round off the corners on the sensor head, a flare fitting wrench will work sometimes but generally you don't have enough leverage. You may need to apply some good penetrating oil to the old sensor threads to get them loose, but when you're ready to put the new ones in, clean ALL the oil from the area and don't get any on the body of the new sensor. Treat it gently when you put it in, snug it tight, plug it in, and you're good to go.

There are quite a few write-ups and videos on the internet if you need a "blow-by-blow" dissertation on the process - these will also give you a good understanding of how the sensors really work and what grease & oil does to them.
 

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Just a note to those that are replacing O2 sensors for the first time. Removing the old ones can be a trial and is a lot easier if you get the right socket for the job. This looks like an impact socket with a slot in it to be able to get past the wiring. You may need to apply some good penetrating oil to the old sensor threads to get them loose, but when you're ready to put the new ones in, clean ALL the oil from the area and don't get any on the body of the new sensor. Treat it gently when you put it in, snug it tight, plug it in, and you're good to go.
Some of the old sensors become heat seized from the high exhaust temperatures and may require a torch to be heated up as well.
I had one like that on my truck. The mechanic had to torch it and even
then it came out with the threads being "galled" requiring a thread chaser
to clean it up.

You are correctly stating to keep all oil and contaminates away from the
new sensor because it will get into the sensing element which is very
sensitive by nature. About the only thing you can use on the NEW sensor
is anti-seize compound on the sensor's threads.

these will also give you a good understanding of how the sensors really work and what grease & oil does to them.
Bad gas or an engine with high oil consumption (oil in exhaust) will
quickly kill a O2 sensor. So if you have a engine that is using a
quart of oil every 800km (500 miles) your 02 sensors will get plugged
up more often and you will be replacing them more often.
 

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hold on there, early dakotas, till 96, were obd-1. on board diagnostics 1, and the codes are not the same. 96 and newer are obd-2, or II, and unplugging the battery does not clear codes on obd 2 vehicles, but will on obd1 vehicles. the check engine light may not illuminate after you do this but the codes are still there. The real problem lies in the fact that disco the battery erases all the temporary settings of the computer and erases the memory to the iac(idle air controller). Meaning your truck might not want to idle by itself after doing this. If you want to erase the codes properly get a cheap code scanner. Last is that getting an oxygen sensor code does not always mean the sensor is bad, need to do some more diagnosis. there are a multitude of different codes that apply to oxygen sensors, only one of which might mean to replace the sensor, because of a heater problem, but still requires some diagnosis of the harness and power and ground to the sensor. oh and the key on off thing works from obd1 vehicles to the 2000-01 vehicles not the newer ones
 

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p 0455 code

My 03 threw this code p 0455 evaporative Emission Control System Leak Detected (gross leak/no flow). Can anyone help with what this means and how do I fix it?

Thanks,
Dave
 

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code 41(need elp)

On my 92 le,all I do is key on, off, on and get the code. Mine is 41 . Charging system excess or lack of field current. it has 38,000 miles well taken care of 3.9L V-6. I had alternator checked it is good,switched battery with other one still no change. At times you can see needle go to 18 volts. Also at times as needle moves around all light go bright to dim like a dimmer switch. The computer on passenger fender connection is good. Truck was sitting for a 1.5 year before I bought it. I am second owner.Please help. :confused:Thank you.;)
 

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my 97 gave me a code when i did this, i have a digital odo and it cam up with "50" which meant the battery was disconnected in the last 50 key cycles has anyone else heard of this?
 
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