Jeep Grand Cherokee(WJ)  

 

Turn the ignition key on until the odometer displays, repeat three times. On the third time the odometer will be replaced with codes. If no codes then Done will appear.

OBD-II codes

1996 models and later

 

P0010 A Camshaft Position Actuator Circuit (Bank 1)

P0011 A Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)

P0012 A Camshaft Position - Timing Over-Retarded (Bank 1)

P0013 B Camshaft Position - Actuator Circuit (Bank 1)

P0014 B Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)

P0015 B Camshaft Position - Timing Over-Retarded (Bank 1)

P0020 A Camshaft Position Actuator Circuit (Bank 2)

P0021 A Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

P0022 A Camshaft Position - Timing Over-Retarded (Bank 2)

P0023 B Camshaft Position - Actuator Circuit (Bank 2)

P0024 B Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

P0025 B Camshaft Position - Timing Over-Retarded (Bank 2)

P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1)

P0031 HO2S Heater Control Circuit Low (Bank 1 Sensor 1)

P0032 HO2S Heater Control Circuit High (Bank 1 Sensor 1)

P0033 Turbo Charger Bypass Valve Control Circuit

P0034 Turbo Charger Bypass Valve Control Circuit Low

P0035 Turbo Charger Bypass Valve Control Circuit High

P0036 HO2S Heater Control Circuit (Bank 1 Sensor 2)

P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

P0038 HO2S Heater Control Circuit High (Bank 1 Sensor 2)

P0042 HO2S Heater Control Circuit (Bank 1 Sensor 3)

P0043 HO2S Heater Control Circuit Low (Bank 1 Sensor 3)

P0044 HO2S Heater Control Circuit High (Bank 1 Sensor 3)

P0050 HO2S Heater Control Circuit (Bank 2 Sensor 1)

P0051 HO2S Heater Control Circuit Low (Bank 2 Sensor 1)

P0052 HO2S Heater Control Circuit High (Bank 2 Sensor 1)

P0056 HO2S Heater Control Circuit (Bank 2 Sensor 2)

P0057 HO2S Heater Control Circuit Low (Bank 2 Sensor 2)

P0058 HO2S Heater Control Circuit High (Bank 2 Sensor2)

P0062 HO2S Heater Control Circuit (Bank 2 Sensor 3)

P0063 HO2S Heater Control Circuit Low (Bank 2 Sensor 3)

P0064 HO2S Heater Control Circuit High (Bank 2 Sensor 3)

P0065 Air Assisted Injector Control Range/Performance

P0066 Air Assisted Injector Control Circuit or Circuit Low

P0067 Air Assisted Injector Control Circuit High

P0070 Ambient Air Temperature Sensor Circuit

P0071 Ambient Air Temperature Sensor Range/Performance

P0072 Ambient Air Temperature Sensor Circuit Low Input

P0073 Ambient Air Temperature Sensor Circuit High Input

P0074 Ambient Air Temperature Sensor Circuit Intermittent

P0075 Intake Valve Control Solenoid Circuit (Bank 1)

P0076 Intake Valve Control Solenoid Circuit Low (Bank 1)

P0077 Intake Valve Control Solenoid Circuit High (Bank 1)

P0078 Exhaust Valve Control Solenoid Circuit (Bank 1)

P0079 Exhaust Valve Control Solenoid Circuit Low (Bank 1)

P0080 Exhaust Valve Control Solenoid Circuit High (Bank 1)

P0081 Intake valve Control Solenoid Circuit (Bank 2)

P0082 Intake Valve Control Solenoid Circuit Low (Bank 2)

P0083 Intake Valve Control Solenoid Circuit High (Bank 2)

P0084 Exhaust Valve Control Solenoid Circuit (Bank 2)

P0085 Exhaust Valve Control Solenoid Circuit Low (Bank 2)

P0086 Exhaust Valve Control Solenoid Circuit High (Bank 2)

P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input

P0112 Intake Air Temperature Circuit Low Input

P0113 Intake Air Temperature Circuit High Input

P0117 Engine Coolant Temperature Circuit Low Input

P0118 Engine Coolant Temperature Circuit High Input

P0121 Throttle/Pedal Position Sensor/Switch 1AT Circuit Range/Performance Problem

P0122 Throttle/Pedal Position Sensor/Switch 1AT Circuit Low Input

P0123 Throttle/Pedal Position Sensor/Switch 1AT Circuit High Input

P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control

P0129 Catalyst Monitor Slow 02 Sensor (Bank no. 1 Sensor no. 2)

P0131 Left Bank and Upstream 02 Sensor Voltage Shorted to Ground

P0132 Left Upstream 02 Sensor Shorted to Voltage

P0133 Upstream 02 Sensor Circuit Slow Response (Bank no. 1 Sensor no.1)

P0135 02 Sensor Heater Circuit Malfunction (Bank no. 1 Sensor no. 1)

P0137 Left Bank Downstream or Downstream and Pre-Catalyst 02 Sensor Voltage Shorted to Ground

P0138 Left Bank Downstream or Downstream and Pre-Catalyst 02 Sensor Shorted to Voltage

P0141 Downstream, Left Bank Downstream or Pre-Catalyst 02 Sensor Heater Failure

P0152 Left Upstream 02 Sensor Slow Response

P0162 Charging System Voltage Too Low

P0171 Right Rear (or just) Fuel System Too Lean

P0172 Left Bank or Fuel System Too Rich

P0201 Injector no. 1 Control Circuit

P0202 Injector no. 2 Control Circuit

P0203 Injector no. 3 Control Circuit

P0204 Injector no. 4 Control Circuit

P0205 Injector no. 5 Control Circuit

P0206 Injector no. 6 Control Circuit

P0207 Injector no. 7 Control Circuit

P0208 Injector no. 8 Control Circuit

P0300 Random/Multiple Cylinder Misfire Detected

P0301 Cylinder no. 1Misfire Detected

P0302 Cylinder no. 2Misfire Detected

P0303 Cylinder no. 3Misfire Detected

P0304 Cylinder no. 4Misfire Detected

P0305 Cylinder no. 5Misfire Detected

P0306 Cylinder no. 6Misfire Detected

P0307 Cylinder no. 7Misfire Detected

P0308 Cylinder no. 8Misfire Detected

P0320 No Crank Reference Signal at PCM

P0340 No Cam Signal at PCM

P0351 Ignition Coil no. 1 Primary Circuit

P0420 Left Bank Catalytic Converter or just Catalytic Converter Efficiency iiure

P0441 Evaporative Purge Flow Monitor Failure

P0442 Evaporative Emission Control System Leak Detected (Small Leak)

P0443 Evap Purge Solenoid Circuit

P0455 Evaporative Emission Control System Leak Detected (Gross Leak)

P0456 Evap Leak Monitor Medium Leak Detected

P0460 Fuel Level Unit No Change Over Miles

P0462 Fuel Level Sending Unit Voltage Too Low

P0463 Fuel Level Sending Unit Voltage Too High

P0500 No Vehicle Speed Sensor Signal

P0505 Idle Air Control Motor Circuits

P0600 PCM/Serial Communication Link Malfunction

P0601 Internal Controller Failure

P0622 Generator Field Not Switching Properly

P0645 A/C Clutch Relay Circuit

P0700 Transmission Control System (MIL Request)

P0711 Transmission Fluid Temperature Sensor, No Temperature Rise fter Start

P0712 Transmission Fluid Temperature Sensor Voltage Too Low

P0713 Transmission Fluid Temperature Sensor Voltage Too High

P0720 Low Output Speed Sensor RPM Above 15 MPH

P0740 Torque Converter Clutch, No RPM Drop At Lockup

P0743 Torque Converter Clutch Solenoid/Trans Relay Circuits

P0748 Governor Pressure Solenoid Control/Trans Relay Circuits

P0751 Overdrive Switch Pressed (LO) More Than 5 Minutes

P0753 Trans 3-4 Shift Solenoid/Trans Relay Circuits

P0783 3-4 Shift Solenoid, No RPM Drop @ 3-4 Shift

P1195 Catalyst Monitor Slow 02 Sensor (Bank no. 1 Sensor no. 1)

P1197 Catalyst Monitor Slow 02 Sensor (Bank no. 1 Sensor no. 2)

P1281 Engine is Cold Too Long

P1282 Fuel Pump Relay Control Circuit

P1294 Target Idle Not Reached

P1296 No 5 Volts To MAP Sensor

P1297 No Change In MAP From Start To Run

P1388 Auto Shutdown Relay Control Circuit

P1389 No ASD Relay Output Voltage at PCM

P1391 Intermittent Loss of CMP or CKP

P1398 Misfire Adaptive Numerator At Limit or No Crank Sensor Learn

P1486 EVAP Leak Monitor Pinched Hose Or Obstruction Found

P1492 Battery Temp Sensor Voltage Too High

P1493 Battery Temp Sensor Voltage Too Low

P1494 Leak Detection Pump Pressure Switch Or Mechanical Fault

P1495 Leak Detection Pump Solenoid Circuit

P1594 Charging System Voltage Too High

P1595 Speed Control Solenoid Circuits

P1596 Speed Control Switch Always High

P1597 Speed Control Switch Always Low

P1683 Speed Control Power Circuit

P1685 Invalid key received from the Smart Key Immobilizer Module

P1696 PCM Failure EEPROM Write Denied

P1698 PCM Failure EEPROM Write Denied

P1756 Governor Pressure Not Equal To Target @ 15-20 PSI

P1757 Governor Pressure Above 3 PSI In Gear with 0 MPH

P1762 Governor Pressure Sensor Offset Volts Too Low or High

P1763 Governor Pressure Sensor Volts Too High

P1764 Governor Pressure Sensor Volts Too Low

P1765 Trans 12 Volt Supply Relay Control Circuit

P1899 P/N Switch Stuck In Park Or In Gear

 

All OBD-II codes here