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Powertrain Diagnostic Procedures Expand All (for easy ctrl-f) Collapse All Introduction Identification Of System System Description And Functional Operation Disclaimers, Safety, Warnings Required Tools And Equipment Glossary Of Acronyms Diagnostic Procedure Code Definitions Communication - Symptoms DRIVEABILITY - Gas - Symptoms DRIVEABILITY - Gas - Diagnostic Tests P0031-O2 Sensor 1/1 Heater Circuit Low; P0032-O2 Sensor 1/1 Heater Circuit High; P0037-O2 Sensor 1/2 Heater Circuit Low; P0038-O2 Sensor 1/2 Heater Circuit High; P0051-O2 Sensor 2/1 Heater Circuit Low; P0052-O2 Sensor 2/1 Heater Circuit High P0071-Ambient/Battery Temp Sensor Performance P0107-Map Sensor Voltage Too Low P0108-Map Sensor Voltage Too High P0111-Intake Air Temp Sensor Performance P0112-Intake Air Temp Sensor Voltage Too Low P0113-Intake Air Temp Sensor Voltage Too High P0117-Engine Coolant Temp Sensor Voltage Too Low P0118-Engine Coolant Temp Sensor Voltage Too High P0121-TP Sensor Voltage Does Not Agree With Map P0122-Throttle Position Sensor #1 Voltage Too Low P0123-Throttle Position Sensor #1 Voltage Too High P0125-Closed Loop Temp Not Reached P0131-02 Sensor 1/1 Voltage Too Low, P0137-02 Sensor 1/2 Voltage Too Low, P0151-02 Sensor 2/1 Voltage Too Low, P0157-02 Sensor 2/2 Voltage Too Low P0132-02 Sensor 1/1 Voltage Too High, P0138-02 Sensor 1/2 Voltage Too High, P0152-02 Sensor 2/1 Voltage Too High, P0158-02 Sensor 2/2 Voltage Too High P0133-02 Sensor 1/1 Slow Response, P0139-02 Sensor 1/2 Slow Response, P0153-02 Sensor 2/1 Slow Response, P0159-02 Sensor 2/2 Slow Response P0135-02 Sensor 1/1 Heater Failure, P0141-02 Sensor 1/2 Heater Failure, 0P0155-02 Sensor 2/1 Heater Failure, P0161-02 Sensor 2/2 Heater Failure P0136-02 Sensor 1/2 Heater Circuit Malfunction P0171-1/1 Fuel System Lean, P0174-2/1 Fuel System Lean P0172-1/1 Fuel System Rich, P0175-2/1 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, P0207-Injector #7 Control Circuit, P0208-Injector #8 Control Circuit P0300-Multiple Cylinder Mis-Fire, P0301-Cylinder #1 Misfire, P0302-Cylinder #2 Misfire, P0303-Cylinder #3 Misfire, P0304-Cylinder #4 Misfire, P0305-Cylinder #5 Misfire, P0306-Cylinder #6 Misfire, P0307-Cylinder #7 Misfire, P0308-Cylinder #8 Misfire P0320-No Crank Reference Signal At Pcm P0325-Knock Sensor #1 Circuit, P0330-Knock Sensor #2 Circuit P0340-No Cam Reference Signal At Pcm P0351-Ignition Coil #1 Primary Circuit, P0352-Ignition Coil #2 Primary Circuit, P0353-Ignition Coil #3 Primary Circuit, P0354-Ignition Coil #4 Primary Circuit, P0355-Ignition Coil #5 Primary Circuit, P0356-Ignition Coil #6 Primary Circuit, P0357-Ignition Coil #7 Primary Circuit, P0358-Ignition Coil #8 Primary Circuit P0351-Ignition Coil #1 Primary Circuit, P0352-Ignition Coil #2 Primary Circuit, P0353-Ignition Coil #3 Primary Circuit P0420-1/1 Catalytic Converter Efficiency, P0432-2/1 Catalytic Converter Efficiency P0441-EVAP Purge Flow Monitor P0442-EVAP Leak Monitor Medium (0.040) Leak Detected, P0455-EVAP Leak Monitor Large Leak Detected, P0456-EVAP Leak Monitor Small (0.020) Leak Detected P0443-EVAP Purge Solenoid Circuit P0460-Fuel Level Unit No Change Over Miles, P0461-Fuel Level Unit No Change Over Time P0462-Fuel Level Sending Unit Voltage Too Low P0463-Fuel Level Sending Unit Voltage Too High P0500-No Vehicle Speed Signal P0505-Idle Air Control Motor Circuits P0523-Oil Pressure Voltage Too High P0601-Pcm Internal Controller Failure P0622-Generator Field Not Switching Properly P0645-A/C Clutch Relay Circuit P0700-TCM Controller DTC Present P1195-O2 Sensor 1/1 Slow During Catalyst Monitor, P1196-O2 Sensor 2/1 Slow During Catalyst Monitor P1281-Engine Is Cold Too Long P1282-Fuel Pump/System Relay Control Circuit P1294-Target Idle Not Reached P1296-No 5-Volts To Map Sensor P1297-No Change In Map From Start To Run P1299-Vacuum Leak Found P1388-ASD Relay Control Circuit P1389-No ASD Relay Output Voltage At Pcm P1391-Intermittent Loss Of CMP Or CKP P1398-Mis-Fire Adaptive Numerator At Limit P1486-EVAP Leak Monitor Pinched Hose Found P1489-High Speed Fan Relay Control Circuit P1490-Low Speed Fan Relay Control Circuit P1491-Cooling Fan Relay Control Circuit P1492-Ambient/Battery Temp Sensor Voltage Too High P1493-Ambient/Battery Temp Sensor Voltage Too Low P1494-Leak Detection Pump Switch Or Mechanical Fault P1495-Leak Detection Pump Solenoid Circuit P1499-Hydraulic Fan Solenoid Circuit P1594-Charging System Voltage Too High P1595-Speed Control Solenoid Circuits, P1683-Speed Control Power Circuit P1596-Speed Control Switch Always High P1597-Speed Control Switch Always Low P1598-A/C Pressure Sensor Voltage Too High P1599-A/C Pressure Sensor Voltage Too Low P1682-Charging System Voltage Too Low P1685-Wrong Or Invalid Key Message Received From Skim P1686-No Skim Bus Message Received P1687-No Cluster Bus Message P1696-Pcm Failure EEPROM Write Denied P1698-No Bus Message From TCM P1899-TRS Performance Sentry Key Immobilizer - Symptoms Symptom List: ANTENNA FAILURE, COP FAILURE, EEPROM FAILURE, INTERNAL FAULT, RAM FAILURE, SERIAL LINK INTERNAL FAULT, STACK OVERFLOW FAILURE Symptom List: PCM STATUS FAILURE, SERIAL LINK EXTERNAL FAULT Symptom List: ROLLING CODE FAILURE, VIN MISMATCH Symptom List: TRANSPONDER COMMUNICATION FAILURE, TRANSPONDER CYCLIC REDUNDANCY CHECK (CRC) FAILURE, TRANSPONDER ID MISMATCH, TRANSPONDER RESPONSE MISMATCH Starting - Symptoms Transfer Case - Mechanical - Diagnostic Tests Transmission - Re - Diagnostic Tests Verification Tests Component Locations Connector PINOUTS