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Engine Controls - Tests W/Codes Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Summary Diagnostic Trouble Codes Notes DTC P0101 - MAF Sensor System Performance DTC P0102 - MAF Sensor Circuit Low Frequency DTC P0103 - MAF Sensor Circuit High Frequency DTC P0106 - Map Sensor System Performance DTC P0107 - Map Sensor Circuit Low Voltage DTC P0108 - Map Sensor Circuit High Voltage DTC P0112 - IAT Sensor Circuit Low Voltage IAT Temperature-To-Resistance Values DTC P0113 - IAT Sensor Circuit High Voltage DTC P0117 - ECT Sensor Circuit Low Voltage ECT Temperature-To-Resistance Values DTC P0118 - ECT Sensor Circuit High Voltage DTC P0121 - TP Sensor System Performance DTC P0122 - TP Sensor Circuit Low Voltage DTC P0123 - TP Sensor Circuit High Voltage DTC P0125 - ECT Excessive Time To Reach Closed Loop DTC P0131 - Ho2S Circuit Low Voltage Bank 1, Sensor 1 DTC P0132 - Ho2S Circuit High Voltage Bank 1, Sensor 1 DTC P0133 - Ho2S Slow Response Bank 1, Sensor 1 DTC P0134 - Ho2S Insufficient Activity Bank 1, Sensor 1 DTC P0135 - Ho2S Heater Circuit Bank 1, Sensor 1 DTC P0143 - Ho2S Circuit Voltage Low Bank 1, Sensor 3 DTC P0144 - Ho2S Circuit High Voltage Bank 1, Sensor 3 DTC P0146 - Ho2S Insufficient Activity Bank 1, Sensor 3 DTC P0147 - Ho2S Heater Circuit Bank 1, Sensor 3 DTC P0151 - Ho2S Circuit Voltage Low Bank 2, Sensor 1 DTC P0152 - Ho2S Circuit Voltage High Bank 2, Sensor 1 DTC P0153 - Ho2S Slow Response Bank 2, Sensor 1 DTC P0154 - Ho2S Insufficient Activity Bank 2, Sensor 1 DTC P0155 - Ho2S Heater Circuit Bank 2, Sensor 1 DTC P0171 - Fuel Trim System Lean Bank 1 DTC P0172 - Fuel Trim System Rich Bank 1 DTC P0174 - Fuel Trim System Lean Bank 2 DTC P0175 - Fuel Trim System Rich Bank 2 DTC P0300-P0306 - Engine Misfire Detected DTC P0325 - Knock Sensor Module Circuit DTC P0327 - Knock Sensor Low Voltage DTC P0336 - Crankshaft Position Sensor Circuit Performance DTC P0337 - Crankshaft Position Sensor Circuit Low Frequency DTC P0338 - Crankshaft Position Sensor Circuit High Frequency DTC P0339 - Crankshaft Position Sensor Circuit Intermittent DTC P0340 - Camshaft Position Sensor Circuit DTC P0341 - Camshaft Position Sensor Circuit DTC P0401 - EGR System Insufficient Flow DTC P0404 - EGR Valve Open Pintle Position DTC P0405 - EGR Pintle Position Circuit Low Voltage DTC P0420 - TWC System Low Efficiency Bank 1 DTC P0440 - EVAP System DTC P0442 - EVAP System (Small Leak Detected) DTC P0446 - EVAP System Vent Valve Performance DTC P0452 - Fuel Tank Pressure Sensor Low Voltage DTC P0453 - Fuel Tank Pressure Sensor Voltage High DTC P0461 - Fuel Level Sensor Circuit Malfunction DTC P0462 - Fuel Level Sensor Circuit Voltage Low DTC P0463 - Fuel Level Sensor Circuit Voltage High DTC P0500 - Vehicle Speed Sensor Circuit DTC P0506 - Idle Control System Low Rpm DTC P0507 - Idle Control System High Rpm DTC P0601 - VCM Memory DTC P0602 - VCM Not Programmed DTC P0603 - VCM Memory Reset DTC P0604 - VCM Ram Performance DTC P0605 - VCM Read Only Memory (ROM) DTC P1106 - Map Sensor Circuit Intermittent High Voltage DTC P1107 - Map Sensor Circuit Intermittent Low Voltage DTC P1111 - IAT Sensor Circuit Intermittent High Voltage DTC P1112 - IAT Sensor Circuit Intermittent Low Voltage DTC P1114 - ECT Sensor Circuit Intermittent Low Voltage DTC P1115 - ECT Sensor Circuit Intermittent High Voltage DTC P1121 - TP Sensor Circuit Intermittent High Voltage DTC P1122 - TP Sensor Circuit Intermittent Low Voltage DTC P1133 - Ho2S Insufficient Switching Bank 1, Sensor 1 DTC P1134 - Ho2S Transition Time Ratio Bank 1, Sensor 1 DTC P1153 - Ho2S Insufficient Switching Bank 2, Sensor 1 DTC P1154 - Ho2S Transition Time Ratio Bank 2, Sensor 1 DTC P1336 - CKP System Variation Not Learned DTC P1345 - Crankshaft/Camshaft Position Sensor Correlation DTC P1351 - Ignition Control (Ic) Circuit High Voltage DTC P1361 - Ignition Control Circuit Low Voltage DTC P1380 - Electronic Brake Control Module (EBCM) DTC Rough Road Data Unstable DTC P1381 - Misfire Detected No EBCM/VCM Serial Data DTC P1404 - EGR Valve Closed Pintle Position DTC P1441 - EVAP System Flow During Non-Purge DTC P1508 - IAC System Low Rpm DTC P1509 - IAC System High Rpm DTC P1621 - VCM EEPROM Performance DTC P1626 - Loss Of Serial Communication With VTD DTC P1631 - Theft Deterrent System Password Incorrect DTC U1041 - Loss Of EBCM Communication DTC U1192 - LOSS OF VTD (PassLock(R))/EVO COMMUNICATION