October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Engine Controls - Self-Diagnostics Expand All (for easy ctrl-f) Collapse All Description & Operation Self-Diagnostic System Drive Cycles Summary Diagnostic Trouble Code Identification Diagnostic Tests DTC P0065: Air Assisted Fuel Injection Control Range/Performance (V8 Models) DTC P0066: Air Assisted Fuel Injection Control Circuit Malfunction (V8 Models) DTC P0102, P0103, P1100 Or P1101: Mass Airflow Sensor DTC P0112, P0113 Or P1112: Intake Air Temperature Sensor DTC P0114: Intake Air Temperature Out Of On-Board Diagnostic Range DTC P0117, P0118, P1116 Or P1117: Engine Coolant Temperature Sensor (V8 Models) DTC P0122, P0123, P0124, P0222, P0223, P0224, P0227, P0228, P0229, P1121 Or P1124: Throttle Position Sensor DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control DTC P0130: Front Heated Oxygen Sensor Sensing Circuit Malfunction (Right Bank) DTC P0131, P0132, P0133, P0135, P1130, P1131 Or P1132: Front Heated Oxygen Sensor (Right Bank) DTC P0136, P0138, P0141, P0420, P1137 Or P1138: Rear Heated Oxygen Sensor (Right Bank) DTC P0150: Front Heated Oxygen Sensor Sensing Circuit Malfunction (Left Bank) DTC P0151, P0152, P0153, P0155, P1150, P1151 Or P1152: Front Heated Oxygen Sensor (Left Bank) DTC P0156, P0158, P0161, P0430, P1157 Or P1158: Rear Heated Oxygen Sensor (Left Bank) DTC P0171: System Too Lean (Right Bank) DTC P0172: System Too Rich (Right Bank) DTC P0174: System Too Lean (Left Bank) DTC P0175: System Too Rich (Left Bank) DTC P0180: Engine Fuel Temperature Sensor DTC P0190, P0192 Or P0193: Injector Pressure Sensor DTC P0196: Engine Oil Temperature Signal Does Not Follow Cylinder Head Temperature Signal/ Engine Coolant Temperature Signal DTC P0201-P0208: Fuel Injector DTC P0300-P0308: Cylinder Misfire DTC P0320: Crankshaft Position Sensor Circuit Malfunction DTC P0325: Knock Sensor (Right Bank) DTC P0330: Knock Sensor (Left Bank) DTC P0340: Camshaft Position Sensor (Right Bank) DTC P0341: Camshaft Position Sensor (Left Bank) DTC P0350: Camshaft Position Sensor Circuit Malfunction DTC P0351-P0358: Ignition Coil Primary Circuit Malfunction DTC P0401: EGR Flow Insufficient DTC P0402: EGR Flow Excessive DTC P0442 & P0455: EVAP Control System DTC P0443: EVAP Control System Purge Valve Circuit Malfunction DTC P0451: EVAP Control System Pressure Sensor Range/Performance DTC P0452 & P0453: EVAP Control System Pressure Sensor DTC P0460: Fuel Level Sensor(S) Circuit Malfunction DTC P0500: Vehicle Speed Circuit Malfunction DTC P0503: Vehicle Speed Circuit Malfunction DTC P0505: Idle Air Control Malfunction DTC P0602: Pcm Programming Error DTC P0603: Pcm KAM Test Error DTC P0605: Pcm ROM Test Error DTC P0703: Brake ON/OFF SWITCH CIRCUIT MALFUNCTION DTC P1122, P1123 & P1135: Pedal Position Sensor "A" Circuit DTC P1127: Exhaust Not Warm Enough, Rear Ho2S Not Tested (V8 Models) DTC P1128 & P1129: Ho2S Swapped From Bank To Bank DTC P1133: Fuel Control Shifted Lean (Right Bank) DTC P1134: Fuel Control Shifted Rich (Right Bank) DTC P1153: Fuel Control Shifted Lean (Right Bank) DTC P1154: Fuel Control Shifted Rich (Left Bank) DTC P1183 Or P1184: Engine Oil Temperature Sensor DTC P1214, P1222 & P1223: Pedal Position Sensor "B" Circuit DTC P1215, P1216 & P1217: Pedal Position Sensor "C" Circuit DTC P1233: Fuel Delivery System Disabled Or Inoperative DTC P1235: Fuel Pump Control Out Of Range DTC P1237: Fuel Pump Secondary Circuit Malfunction DTC P1246: Generator Load Input To Pcm Failure DTC P1260: Vehicle Theft Detected, Engine Disabled DTC P1270: Engine Speed Or Vehicle Speed Limit Reached DTC P1285: Cylinder Head OVERTEMPERATURE Sensed (V6 Models) DTC P1288: Cylinder Head Temperature Sensor Out Of Range (V6 Models) DTC P1289 Or P1290: Cylinder Head Temperature Sensor (V6 Models) DTC P1299: Fail Safe Cooling Mode Active DTC P1309: Misfire Monitor Failure DTC P1380, P1381 Or P1383: Variable Valve Timing Solenoid (Right Bank) DTC P1385, P1386 Or P1388: Variable Valve Timing Solenoid (Left Bank) DTC P1400 & P1401: Differential Pressure Feedback EGR Sensor Circuit (V6 Models) DTC P1405: Differential Pressure Feedback Sensor Upstream Hose (No Flow) DTC P1406: Differential Pressure Feedback Sensor Downstream Hose (No Flow) DTC P1408: EGR Flow Out Of Self Test Range DTC P1409: EGR Vacuum Regulator Control Circuit Malfunction (V6 Models) DTC P1443: EVAP Canister Purge Valve Circuit Malfunction DTC P1450: Unable To Release Fuel Tank Vacuum DTC P1451: EVAP Canister Close Valve Circuit Malfunction DTC P1460: A/C Clutch Cycling Pressure Switch Error DTC P1461: A/C Pressure Sensor High Voltage (High Pressure) DTC P1462: A/C Pressure Sensor Low Voltage (Low Pressure) DTC P1463: A/C System Insufficient Refrigerant Pressure Charge DTC P1464: A/C Pressure Sensor Out Of Self Test Range DTC P1474: Radiator Cooling Fan Control Circuit Malfunction DTC P1506: Idle Air Control Over Speed Error DTC P1507: Idle Air Control Under Speed Error DTC P1532: Intake Manifold Tuning Valve Control Circuit Malfunction (Top Valve) DTC P1534: Air Bag(S) Deployed, Restraints Control Module Input To Pcm Circuit Malfunction DTC P1549: Intake Manifold Tuning Valve Control Circuit Malfunction (Bottom Valve) DTC P1565: Speed Control Command Switch Input (Steering Wheel Switches) Out Of Range (High Voltage) DTC P1566: Speed Control Command Switch Input (Steering Wheel Switches) Out Of Self Range (Low Voltage) DTC P1572: Brake Cancel Switch Out Of Self Test Range DTC P1573: Throttle Position Sensor Signals Malfunction (More Than One Signal Failure) DTC P1574: Throttle Position Sensor Signals Disagree (One Signal Failure) DTC P1576: Accelerator Pedal Position Sensor Signals Malfunction (More Than One Signal Failure) DTC P1577: Accelerator Pedal Position Sensor Signal Disagree (One Signal Failure) DTC P1580: Pcm Override Of Internal Throttle Monitor DTC P1581: Pcm Throttle Monitor Malfunction DTC P1582: Throttle Data Recorder Data Available DTC P1583: Speed Control Inhibited By Pcm Throttle Monitor DTC P1584: Throttle Actuation Malfunction DTC P1585: Throttle Actuator Control Module Malfunction DTC P1586: Throttle Actuation Control Module To Pcm Communication Failure DTC P1587: Pcm To Throttle Actuator Control Module Throttle Command Redundancy Circuit Malfunction DTC P1589: Throttle Valve Angle Does Not Match Desired Angle DTC P1633: KAM Voltage Low DTC P1635: Wheel/Axle Ratio Out Of Acceptable Range DTC P1636: Pcm Internal Communication Error DTC P1650: Power Steering Pressure Switch Out Of Self Test Range DTC P1651: Power Steering Pressure Switch Circuit Malfunction DTC P1881: Engine Coolant Level Sensor Circuit Malfunction