GM Service Manual Online
For 1990-2009 cars only

Description

Federal and California Emissions, (NA3, NA5, NB6, NB7, NC1, NF2) Less than 8600 GVW, 4.3L L35 (Vin W) and LF6 (Vin X)

Federal and California Emissions, (NA5, NB6, NB7, NC1, NF2) Greater than 8600 GVW, 4.3L L35 (Vin W)

Unleaded Fuel Export (NN8) 4.3L L35 (Vin W)

Leaded Fuel Export (NM8) 4.3L L35 (Vin W)

DTC P0101 Mass Air Flow (MAF) Sensor Performance

B

C

C

C

DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency

B

B

B

B

DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency

B

B

B

B

DTC P0106 Manifold Absolute Pressure (MAP) System Performance

B

C

C

C

DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

B

B

B

B

DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

B

B

B

B

DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage

B

B

B

B

DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage

B

B

B

B

DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

B

B

B

B

DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

B

B

B

B

DTC P0121 Throttle Position (TP) Sensor Performance

B

C

C

C

DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage

B

B

B

B

DTC P0123 Throttle Position (TP) Sensor Circuit High Voltage

B

B

B

B

DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control

B

C

C

X

DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1

B

B

B

X

DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1

B

B

B

X

DTC P0133 HO2S Slow Response Bank 1 Sensor 1

B

C

C

X

DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1

B

B

B

X

DTC P0135 HO2S Heater Performance Bank 1 Sensor 1

B

C

C

X

DTC P0143 HO2S Circuit Low Voltage Bank 1 Sensor 3

B

B

B

X

DTC P0144 HO2S Circuit High Voltage Bank 1 Sensor 3

B

B

B

X

DTC P0146 HO2S Circuit Insufficient Activity Bank 1 Sensor 3

B

B

B

X

DTC P0147 HO2S Heater Performance Bank 1 Sensor 3

B

C

C

X

DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1

B

B

B

X

DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1

B

B

B

X

DTC P0153 HO2S Slow Response Bank 2 Sensor 1

B

C

C

X

DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1

B

B

B

X

DTC P0155 HO2S Heater Performance Bank 2 Sensor 1

B

C

C

X

DTC P0171 Fuel Trim System Lean Bank 1

B

B

B

X

DTC P0172 Fuel Trim System Rich Bank 1

B

B

B

X

DTC P0174 Fuel Trim System Lean Bank 2

B

B

B

X

DTC P0175 Fuel Trim System Rich Bank 2

B

B

B

X

DTC P0300 Engine Misfire Detected

B

X

C

X

DTC P0325 Knock Sensor Module Performance

B

C

C

C

DTC P0327 Knock Sensor (KS) Circuit

B

C

C

C

DTC P0336 Crankshaft Position (CKP) Sensor Performance

B

B

B

B

DTC P0337 Crankshaft Position (CKP) Sensor Circuit Low Duty Cycle

B

C

C

C

DTC P0338 Crankshaft Position (CKP) Sensor Circuit High Duty Cycle

C

C

C

C

DTC P0339 Crankshaft Position (CKP) Sensor Circuit Intermittent

B

C

C

C

DTC P0340 Camshaft Position (CMP) Sensor Circuit

B

C

C

C

DTC P0341 Camshaft Position (CMP) Sensor Performance

B

C

C

C

DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient

A

A

A

A

DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance

B

B

B

X

DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

B

B

B

X

DTC P0410 Secondary Air Injection (AIR) System

B

X

X

X

DTC P0420 Catalyst System Low Efficiency Bank 1

A

X

C

X

DTC P0440 Evaporative Emission (EVAP) System

A

X

C

X

DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected

A

X

C

X

DTC P0446 Evaporative Emission (EVAP) Vent System Performance

A

X

C

X

DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage

B

X

C

X

DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage

B

X

C

X

DTC P0461 Fuel Level Sensor Performance

C

C

C

C

DTC P0462 Fuel Level Sensor Circuit Low Voltage

C

C

C

C

DTC P0463 Fuel Level Sensor Circuit High Voltage

C

C

C

C

DTC P0500 Vehicle Speed Sensor (VSS) Circuit

B

B

B

B

DTC P0506 Idle Speed Low

B

B

B

B

DTC P0507 Idle Speed High

B

B

B

B

DTC P0601

A

C

C

C

DTC P0602 Control Module Not Programmed

A

C

C

C

DTC P0603 Control Module Long Term Memory Reset

A

C

C

C

DTC P0604 Control Module Random Access Memory (RAM)

A

C

C

C

DTC P0605 Control Module Programming Read Only Memory (ROM)

A

C

C

C

DTC P0704 Clutch Switch Circuit

B

X

C

C

DTC P1106 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

C

C

C

C

DTC P1107 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

C

C

C

C

DTC P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

C

C

C

C

DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

C

C

C

C

DTC P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

C

C

C

C

DTC P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

C

C

C

C

DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage

C

C

C

C

DTC P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

C

C

C

C

DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1

B

C

C

X

DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1

B

C

C

X

DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1

B

C

C

X

DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1

B

C

C

X

DTC P1336 Crankshaft Position (CKP) System Variation Not Learned

A

C

A

C

DTC P1345 Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation

A

A

A

A

DTC P1351 Ignition Coil Control Circuit High Voltage

A

A

A

A

DTC P1361 Ignition Coil Control Circuit Low Voltage

A

A

A

A

DTC P1380 Misfire Detected - Rough Road Data Not Available

C

X

C

X

DTC P1381 Misfire Detected - No Communication with Brake Control Module

C

X

C

X

DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance

A

A

A

X

DTC P1415 Secondary Air Injection (AIR) System Bank 1

B

X

X

X

DTC P1416 Secondary Air Injection (AIR) System Bank 2

B

X

X

X

DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge

B

X

C

X

DTC P1508 Idle Speed Low - Idle Air Control (IAC) System Not Responding

B

B

B

B

DTC P1509 Idle Speed High - Idle Air Control (IAC) System Not Responding

B

B

B

B

DTC P1621 Control Module Long Term Memory Performance

C

C

C

C

DTC P1626 Theft Deterrent Fuel Enable Signal Not Received

C

C

C

C

DTC P1631 Theft Deterrent Start Enable Signal Not Correct

C

C

C

C

Transmission DTCs

VCM DTCs that are related to transmission operation are not located in this section. Transmission DTCs usually have the number prefexis P07xx and P18xx. Refer to Diagnostic Trouble Code (DTC) List/Type in Automatic Transmissions.