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Engine Controls - Self-Diagnostics Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Scan Tool Usage Programming Summary Diagnostic Trouble Code Definitions Connector Identification Diagnostic Tests DTC P0031, DTC P0032, DTC P0051 Or DTC P0052 DTC P0034: SCB Valve Control Solenoid Valve Circuit (3.3L Supercharged) DTC P0037, DTC P0038, DTC P0057 Or DTC P0058 DTC P0101: Mass Airflow Sensor Circuit Range/Performance Problem DTC P0102: Mass Airflow Sensor Circuit Low Input Or DTC P0103: Mass Airflow Sensor Circuit High Input DTC P0112: Intake Air Temperature Sensor Circuit Low Input Or DTC P0113: Intake Air Temperature Sensor Circuit High Input DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input Or DTC P0118: Engine Coolant Temperature Sensor Circuit High Input DTC P0121, DTC P0122 Or DTC P0123 DTC P0125: Engine Coolant Temperature Sensor DTC P0127: Intake Air Temperature Too High DTC P0128: Thermostat Function DTC P0132: Ho2S1 Circuit High Voltage - Bank 1 Or DTC P0152: Ho2S1 Circuit High Voltage - Bank 2 DTC P0133: Ho2S1 Circuit Slow Response - Bank 1 Or DTC P0153: Ho2S1 Circuit Slow Response - Bank 2 DTC P0134 : Ho2S1 Circuit No Activity Detected - Bank 1 Or DTC P0154: Ho2S1 Circuit No Activity Detected - Bank 2 DTC P0138: Ho2S2 Circuit High Voltage - Bank 1 Or DTC P0158: Ho2S2 Circuit High Voltage - Bank 2 DTC P0139: Ho2S2 Circuit Slow Response - Bank 1 Or DTC P0159: Ho2S2 Circuit Slow Response - Bank 2 DTC P0171, DTC P0172, DTC P0174 Or DTC P0175 DTC P0181, DTC P0182 Or DTC P0183 DTC P0217: Coolant OVERTEMPERATURE Enrichment Protection DTC P0299: Supercharger Function (3.3L Supercharged) DTC P0300, DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 &/Or DTC P0306 DTC P0327: Knock Sensor Circuit Low Input Or DTC P0328: Knock Sensor Circuit High Input DTC P0335: Crankshaft Position Sensor (OBD) DTC P0340: Camshaft Position Sensor DTC P0400: EGR Function DTC P0402: EGRC-BPT Valve Function DTC P0405: EGR Temperature Sensor Circuit Low Input Or DTC P0406: EGR Temperature Sensor Circuit High Input DTC P0420: Catalyst System Efficiency Below Threshold - Bank 1 Or DTC P0430: Catalyst System Efficiency Below Threshold - Bank 2 DTC P0441: EVAP Control System DTC P0442: EVAP Control System - Small Leak Detected DTC P0444: EVAP Canister Purge Volume Control Solenoid Valve Circuit Open Or DTC P0445: EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted DTC P0447: EVAP Canister Vent Control Valve DTC P0452: EVAP Control System Pressure Sensor Low Input Or DTC P0453: EVAP Control System Pressure Sensor High Input DTC P0455: EVAP Control System DTC P0456: EVAP Control System Very Small Leak (Negative Pressure Check) Or DTC P1456: EVAP Control System Very Small Leak (Positive Pressure Check) DTC P0460: Fuel Level Sensor Slosh DTC P0461: Fuel Level Sensor DTC P0462: Fuel Level Sensor Circuit Low Input Or DTC P0463: Fuel Level Sensor Circuit High Input DTC P0500: Vehicle Speed Sensor DTC P0505, DTC P0506 Or DTC P0507 DTC P0510: Closed Throttle Position Switch DTC P0600: A/T Control (3.3L) DTC P0605: ECM DTC P1143: Ho2S1 Lean Shift Monitoring - Bank 1 Or DTC P1163: Ho2S1 Lean Shift Monitoring - Bank 2 DTC P1144: Ho2S1 Rich Shift Monitoring - Bank 1 Or DTC P1164: Ho2S1 Rich Shift Monitoring - Bank 2 DTC P1146: Ho2S2 Minimum Voltage Monitoring - Bank 1 Or DTC P1166: Ho2S2 Minimum Voltage Monitoring - Bank 2 DTC P1147: Ho2S2 Maximum Voltage Monitoring - Bank 1 Or DTC P1167: Ho2S2 Maximum Voltage Monitoring - Bank 2 DTC P1148: Closed Loop Control - Bank 1 Or DTC P1168: Closed Loop Control - Bank 2 DTC P1217: Engine Over Temperature DTC P1336: Crankshaft Position Sensor (OBD) DTC P1400: EGR Control Solenoid Valve DTC P1402: EGR Function DTC P1442: EVAP Control System DTC P1444: EVAP Canister Purge Volume Control Solenoid Valve DTC P1446: EVAP Canister Vent Control Valve Closed DTC P1448: EVAP Canister Vent Control Valve Open DTC P1464: Fuel Level Sensor Circuit (Ground Signal) DTC P1490: Vacuum Cut Valve By-Pass Valve DTC P1491: Vacuum Cut Valve By-Pass Valve DTC P1605: A/T Diagnosis Communication Line (3.3L) DTC P1706: Park/Neutral Position Switch DTC P1775: TCC Solenoid Valve Circuit (2.4L Frontier) DTC P1776: TCC Solenoid Valve Lock-Up (2.4L Frontier)