2001 Jeep Cherokee Limited, 4WDFACTORY OEM SERVICE PROCEDURE

Diagnostic Trouble Code Definitions

DTC MESSAGES & CODES

Generic Scan Tool Code (1) DRBIII(R) Scan Tool Message
P0107  MAP SENSOR VOLTAGE TOO LOW
P0108  MAP SENSOR VOLTAGE TOO HIGH
P0112  INTAKE AIR TEMP SENSOR VOLTAGE LOW
P0113  INTAKE AIR TEMP SENSOR VOLTAGE HIGH
P0117  ECT SENSOR VOLTAGE TOO LOW
P0118  ECT SENSOR VOLTAGE TOO HIGH
P0121  TPS VOLTAGE DOES NOT AGREE WITH MAP
P0122  THROTTLE POSITION SENSOR VOLTAGE LOW
P0123  THROTTLE POSITION SENSOR VOLTAGE HIGH
P0125  CLOSED LOOP TEMP NOT REACHED
P0130  1/1 O2 SENSOR HEATER CIRCUIT MALFUNCTION
P0131  1/1 O2 SENSOR SHORTED TO GROUND
P0132  1/1 O2 SENSOR SHORTED TO VOLTAGE
P0133  1/1 O2 SENSOR SLOW RESPONSE
P0135  1/1 O2 SENSOR HEATER FAILURE
P0136  1/2 O2 SENSOR HEATER CIRCUIT MALFUNCTION
P0137  1/2 O2 SENSOR SHORTED TO GROUND
P0138  1/2 O2 SENSOR SHORTED TO VOLTAGE
P0139  1/2 O2 SENSOR SLOW RESPONSE
P0141  1/2 O2 SENSOR HEATER FAILURE
P0151 (2) 2/1 O2 SENSOR SHORTED TO GROUND
P0152 (2) 2/1 O2 SENSOR SHORTED TO VOLTAGE
P0153 (2) 2/1 O2 SENSOR SLOW RESPONSE
P0155 (2) 2/1 O2 SENSOR HEATER FAILURE
P0157 (2) 2/2 O2 SENSOR SHORTED TO GROUND
P0158 (2) 2/2 O2 SENSOR SHORTED TO VOLTAGE
P0159 (2) 2/2 O2 SENSOR SLOW RESPONSE
P0161 (2) 2/2 O2 SENSOR HEATER FAILURE
P0171  1/1 FUEL SYSTEM LEAN
P0172  1/1 FUEL SYSTEM RICH
P0174 (2) 2/1 FUEL SYSTEM LEAN
P0175 (2) 2/1 FUEL SYSTEM RICH
P0201  INJECTOR #1 CONTROL CIRCUIT
P0202  INJECTOR #2 CONTROL CIRCUIT
P0203  INJECTOR #3 CONTROL CIRCUIT
P0204  INJECTOR #4 CONTROL CIRCUIT
P0205  INJECTOR #5 CONTROL CIRCUIT
P0206  INJECTOR #6 CONTROL CIRCUIT
P0300  MULTIPLE CYLINDER MISFIRE
P0301  CYLINDER #1 MISFIRE
P0302  CYLINDER #2 MISFIRE
P0303  CYLINDER #3 MISFIRE
P0304  CYLINDER #4 MISFIRE
P0305  CYLINDER #5 MISFIRE
P0306  CYLINDER #6 MISFIRE
P0320  NO CRANK REFERENCE SIGNAL AT PCM
P0340  NO CAM SIGNAL AT PCM
P0351  IGNITION COIL #1 PRIMARY CIRCUIT
P0352  IGNITION COIL #2 PRIMARY CIRCUIT
P0353  IGNITION COIL #3 PRIMARY CIRCUIT
P0420  1/1 CATALYTIC CONVERTER EFFICIENCY
P0432 (2) 2/1 CATALYTIC CONVERTER EFFICIENCY
P0441  EVAP PURGE FLOW MONITOR FAILURE
P0442  EVAP LEAK MONITOR MEDIUM (.040") LEAK DETECTED
P0443  EVAP PURGE SOLENOID CIRCUIT
P0455  EVAP LEAK MONITOR LARGE LEAK DETECTED
P0456  EVAP LEAK MONITOR SMALL (.020") LEAK DETECTED
P0460  FUEL LEVEL UNIT NO CHANGE OVER MILES
P0461  FUEL LEVEL UNIT NO CHANGE OVER TIME
P0462  FUEL LEVEL SENDING UNIT VOLTS TOO LOW
P0463  FUEL LEVEL SENDING UNIT VOLTS TOO HIGH
P0500  NO VEHICLE SPEED SENSOR SIGNAL
P0505  IDLE AIR CONTROL MOTOR CIRCUITS
P0522  OIL PRESSURE SENSOR VOLTS LOW
P0523  OIL PRESSURE SENSOR VOLTS HIGH
P0600  PCM FAILURE SPI COMMUNICATIONS
P0601  INTERNAL CONTROLLER FAILURE
P0622 (3) GENERATOR FIELD NOT SWITCHING PROPERLY
P0645  A/C CLUTCH RELAY CIRCUIT
P0700  TCM DTC PRESENT
P0740 (4) TORQ CONV CLU, NO RPM DROP AT LOCKUP
P0743 (4) TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CKT
P1195  1/1 O2 SENSOR SLOW DURING CATALYST MONITOR
P1196 (2) 2/1 O2 SENSOR SLOW DURING CATALYST MONITOR
P1197 (2) 1/2 O2 SENSOR SLOW DURING CATALYST MONITOR
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
P1486  EVAP LEAK MONITOR PINCHED HOSE FOUND
P1491  RADIATOR FAN CONTROL RELAY CIRCUIT
P1492  AMBIENT/BATT TEMPERATURE SEN VOLTAGE TOO HIGH
P1493  AMBIENT/BATT TEMPERATURE SEN VOLTAGE TOO LOW
P1494  LEAK DETECTION PUMP SW OR MECHANICAL FAULT
P1495  LEAK DETECTION PUMP SOLENOID CIRCUIT
P1594 (3) CHARGING SYSTEM VOLTAGE TOO HIGH
P1595 (5) SPEED CONTROL SOLENOID CIRCUITS
P1596 (5) SPEED CONTROL SWITCH ALWAYS HIGH
P1597 (5) SPEED CONTROL SWITCH ALWAYS LOW
P1682 (3) CHARGING SYSTEM VOLTAGE TOO LOW
P1683 (5) SPEED CONTROL POWER RELAY CIRCUIT OR S/C 12V DRIVER CIRCUIT
P1685  INVALID SKIM KEY
P1686  NO SKIM BUS MESSAGE RECEIVED
P1696  PCM FAILURE EEPROM WRITE DENIED
P1698  NO BUS MESSAGE FROM TRANS CONTROL MODULE
P1899  P/N SWITCH PERFORMANCE
(1) Perform appropriate test under DIAGNOSTIC TESTS.
(2) Test only applies to models with Calif. emissions
(3) This DTC is related to charging system. For diagnostic procedure, see appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
(4) This DTC is related to automatic transmission diagnostics. For diagnostic procedure, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5) This DTC is related to cruise control system diagnostics. For diagnostic procedure, see appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
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  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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