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Engine Controls - Tests W/Codes - Testing Expand All (for easy ctrl-f) Collapse All Self-Diagnostics Diagnostic Trouble Codes Diagnostic Trouble Code Identification Table DTC P0102: Mass Airflow (MAF) Sensor DTC P0103: Mass Airflow (MAF) Sensor DTC P0106: EGR Boost Sensor DTC P0107: EGR Boost Sensor DTC P0108: EGR Boost Sensor DTC P0112 Or P0117: Temperature Sensor Test (IAT Or ECT) DTC P0112, P0113, P0117, P0118, P1112 Or P1117: Continuous Memory, Temperature Sensor Test (IAT Or ECT) DTC P0113 Or P0118: Temperature Sensor Test (IAT Or ECT) DTC P0121: Throttle Position (TP) Sensor DTC P0122: Throttle Position (TP) Sensor DTC P0123: Throttle Position (TP) Sensor DTC P0125: Excessive Time To Enter Closed Loop DTC P0133 Or P0153: Heated Oxygen Sensor (Low Response) DTC P0135, P0141, P0147 Or P0155: Heated Oxygen Sensor Heater DTC P0136, P1137 Or P1138: Fuel Control DTC P0142, P1143 Or P1144: Fuel Control DTC P0171, P0172, P0174, P0175, P1130, P1131, P1131, P1132, P1150, P1151 Or P1152: Fuel Control, Ho2S Not Switching DTC P0230: Fuel Pump Relay DTC P0300, P0301, P0302, P0303, P0304, P0305 Or P0306: Misfire Detection Monitor DTC P0320: Distributor Ignition DTC P0325: Knock Sensor (KS) Circuit DTC P0340: Camshaft Position (CMP) Sensor Circuit DTC P0400: EGR Flow Malfunction DTC P0420 Or P0421: Catalyst Efficiency Monitor & Exhaust Systems DTC P0442: Evaporative Emission System DTC P0443: Evaporative Emission System DTC P0446: Evaporative Emission System DTC P0452: Evaporative Emission System DTC P0453: Evaporative Emission System DTC P0455: Evaporative Emission System DTC P0460: Fuel Gauge Sender Unit DTC P0500: Vehicle Speed Sensor (VSS) DTC P0505, P1504 Or P1507: Idle Air Control (IAC) Valve DTC P0603 Or P0605: Powertrain Control Module Malfunction DTC P0703 Or P1703: Brake Switch Malfunction DTC P0704: Clutch Switch Input Circuit DTC P1001: Unable To Activate Self-Test/SCP Communication Error Code Not Listed DTC P1100: Mass Airflow (MAF) Sensor DTC P1101: Mass Airflow (MAF) Sensor DTC P1116: Temperature Sensor Test (IAT & ECT) DTC P1120: Throttle Position (TP) Sensor DTC P1121: Throttle Position (TP) Sensor DTC P1124: Throttle Position (TP) Sensor DTC P1125: Throttle Position (TP) Sensor DTC P1127: Fuel Control DTC P1250: Fuel Pressure Regulator Control (FPRC) Solenoid DTC P1409: EGR System DTC P1410: EGR Boost Solenoid Valve Stuck DTC P1450: EVAP Control System DTC P1451: Canister Drain Cut Valve (CDCV) Malfunction DTC P1460: Wot A/C Cut-Off (WAC) DTC P1460: Wot A/C Cut-Off (Continuous Memory) DTC P1464: Wot A/C Cut-Off (WAC) DTC P1474 Or P1479: Fan Control (FC) Relay DTC P1474 Or P1479: Fan Control (FC) Relay (Continuous Memory) DTC P1487: EGR Monitor & System DTC P1501: Vehicle Speed Sensor (VSS) DTC P1506: Idle Air Control (IAC) Valve DTC P1650: Power Steering Pressure (PSP) Switch DTC P1652: Power Steering Pressure (PSP) Switch Diagnostic Test Z (Intermittent)