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Diagnostic Trouble Code Definitions

NOTE: DTCs are retrieved using a Tech 2 scan tool, or other OBD-II compatible scan tool connected to OBD-II 16-pin Data Link Connector (DLC).
DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC Definition (1) Code Type
P0030  HO2S No. 1 Heater Control Circuit Voltage Greater Than PCM Internal Driver Capacity B
P0101  Mass Airflow Sensor System Performance B
P0102  Mass Airflow Sensor Circuit - Low Frequency B
P0103  Mass Airflow Sensor Circuit - High Frequency B
P0107  Manifold Absolute Pressure Sensor Circuit - Low Voltage B
P0108  Manifold Absolute Pressure Sensor Circuit - High Voltage B
P0112  Intake Air Temperature Sensor Circuit - Low Voltage B
P0113  Intake Air Temperature Sensor Circuit - High Voltage B
P0116  Engine Coolant Temperature & Intake Air Temperature Difference Out-Of-Range ("A" & "B" Series) B
P0117  Engine Coolant Temperature Sensor Circuit - Low Voltage B
P0118  Engine Coolant Temperature Sensor Circuit - High Voltage B
P0121  Throttle Position Sensor Performance B
P0122  Throttle Position Sensor Circuit - Low Voltage B
P0123  Throttle Position Sensor Circuit - High Voltage B
P0125  Engine Coolant Temperature Excessive Time To Enter Closed Loop Fuel Control B
P0128  Engine Coolant Fails To Reach Preset Target Temperature B
P0130  PCM Detects An Active HO2S With Improper Voltage B
P0131  Heated Oxygen Sensor No. 1 Circuit - Low Voltage B
P0132  Heated Oxygen Sensor No. 1 Circuit - High Voltage B
P0133  Heated Oxygen Sensor No. 1 Circuit - Slow Response B
P0134  Heated Oxygen Sensor No. 1 Circuit Insufficient Activity B
P0135  Heated Oxygen Sensor No. 1 Heater Performance
 		 B
P0137  Heated Oxygen Sensor No. 2 Circuit - Low Voltage B
P0138  Heated Oxygen Sensor No. 2 Circuit - High Voltage B
P0140  Heated Oxygen Sensor No. 2 Circuit Insufficient Activity ("A" & "B" Series) B
P0140  Heated Oxygen Sensor No. 2 Circuit Insufficient Activity ("U" Series) B
P0141  Heated Oxygen Sensor No. 2 Heater Circuit B
P0171  Fuel Trim System - Lean B
P0172  Fuel Trim System - Rich B
P0201-206  Injector Control Circuit B
P0218 (2) C
P0230  Fuel Pump Control Circuit C
P0300  Engine Misfire Detected B
P0325  Knock Sensor Module Circuit B
P0327  Knock Sensor Circuit - No Activity B
P0336  Crankshaft Position Sensor Circuit Performance B
P0341  Camshaft Position Sensor Circuit B
P0401  EGR System - Insufficient Flow A
P0403  EGR Solenoid Control Circuit B
P0404  EGR Open Position Performance B
P0405  EGR Sensor Circuit - Low Voltage B
P0410  Secondary Air Injection System B
P0412  Secondary Air Injection Pump Relay Control Circuit B
P0418  Secondary Air Injection Pump Relay Control Circuit - Improper Voltage B
P0420  Catalyst System - Low Efficiency A
P0440  Evaporative Emission System B
P0442  Evaporative Emission Control System - Small Leak Detected A
P0443  Evaporative Purge Solenoid Control Circuit B
P0446  Evaporative Emission Vent System Performance ("A" & "B" Series) B
P0446  Evaporative Emission Vent System Performance ("U" Series) B
P0449  Evaporative Emission Vent Solenoid Control Circuit B
P0452  Fuel Tank Pressure Sensor Circuit - Low Voltage B
P0453  Fuel Tank Pressure Sensor Circuit - High Voltage B
P0462  Fuel Level Sensor Circuit - Low Voltage C
P0463  Fuel Level Sensor Circuit - High Voltage C
P0480  Cooling Fan Relay No. 1 Control Circuit B
P0481  Cooling Fan Relay No. 2 Control Circuit B
P0502 (2) B
P0503 (2) B
P0506  Idle Speed - Low B
P0507  Idle Speed - High B
P0530  A/C Refrigerant Pressure Sensor Circuit C
P0560  System Voltage C
P0601-P0607, P1600, P1621, P1627, P1680, P1681 Or P1683  PCM Not Programmed ("A" & "B"Series) A
P0601  PCM Memory ("U" Series) A
P0602  PCM Not Programmed ("U" Series) A
P0620  Generator Performance C
P0650  Malfunction Indicator Light Control Circuit B
P0712 (2) C
P0713 (2) C
P0716 (2) B
P0717 (2) B
P0719  Torque Converter Clutch Brake Switch Open C
P0724  Torque Converter Clutch Brake Switch Closed C
P0730 (2) C
P0741 (2) B
P0742 (2) A
P0748 (2) C
P0751 (2) B
P0752 (2) B
P0753 (2) B
P0756 (2) A
P0757 (2) A
P0758 (2) A
P1106  Manifold Absolute Pressure Sensor Circuit Intermittent High Voltage C
P1107  Manifold Absolute Pressure Sensor Circuit Intermittent Low Voltage C
P1111  Intake Air Temperature Sensor Circuit Intermittent High Voltage C
P1112  Intake Air Temperature Sensor Circuit Intermittent Low Voltage C
P1114  Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage C
P1115  Engine Coolant Temperature Sensor Circuit Intermittent High Voltage C
P1121  Throttle Position Sensor Circuit Intermittent High Voltage C
P1122  Throttle Position Sensor Circuit Intermittent Low Voltage C
P1133  Heated Oxygen Sensor No. 1 - Insufficient Switching B
P1134  Heated Oxygen Sensor No. 1 Transition Time Ratio B
P1189  Engine Oil Pressure Switch Signal Circuit C
P1336  Crankshaft Position System Variation Not Learned A
P1351  Ignition Control Circuit - High Voltage B
P1352  Ignition By-Pass Circuit - High Voltage B
P1361  Ignition Control Circuit - Low Voltage B
P1362  Ignition By-Pass Circuit - Low Voltage B
P1374  Crankshaft Position High-To-Low Resolution Frequency Correlation B
P1380  Misfire Detected - Rough Road Data Not Available C
P1381  Misfire Detected - No Communications With Brake Control Module C
P1404  EGR Valve Closed Position Performance A
P1441  Evaporative Emission System Vacuum Is Greater Than Predetermined Value ("A" & "B" Series) B
P1441  Evaporative Emission System Flow During Non-Purge ("U" Series) B
P1546  A/C Clutch Relay Control Circuit C
P1571  Traction Control Torque Request Circuit C
P1585 (3) C
P1626  Theft Deterrent Fuel Enable Signal Lost C
P1630  Theft Deterrent Learn Mode Active C
P1631  Theft Deterrent Start Enable Signal Not Correct C
P1635  5-Volt Reference "A" Circuit B
P1639  5-Volt Reference 2 Circuit ("A" & "B" Series) B
P1639  5-Volt Reference "B" Circuit ("U" Series) B
P1640  Excessive Voltage Detected On Output Driver No. 1 Circuit C
P1650  Excessive Voltage Detected On Output Driver No. 2 Circuit C
P1660  Excessive Voltage Detected On Output Driver No. 3 Circuit C
P1670  Excessive Voltage Detected On Output Driver No. 4 Circuit C
P1689  Traction Control Delivered Torque Output Circuit C
P1810 (2) B
P1811 (2) C
P1814 (2) C
P1860 (2) B
P1887 (2) B
(1) See CODE TYPES  under SELF-DIAGNOSTIC SYSTEM.
(2) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(3) See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
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