GM Service Manual Online
For 1990-2009 cars only

The following DTC List refers to AF ECU DTCs only. Refer to the Engine Controls DTC List (gasoline) for DTCs that are set by the vehicles gasoline Control Module (VCM / PCM or ECM).

Description

Type

Illuminate MIL

DTC P0106 Manifold Absolute Pressure (MAP) System Performance

B

Yes

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

B

Yes

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

B

Yes

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

B

Yes

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

B

Yes

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

B

Yes

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

B

Yes

DTC P0121 Throttle Position (TP) Sensor Performance

B

Yes

DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage

B

Yes

DTC P0123 Throttle Position (TP) Sensor Circuit High Voltage

B

Yes

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

A

Yes

DTC P0131 O2S Circuit Low Voltage Sensor 1

B

Yes

DTC P0132 O2S Circuit High Voltage Sensor 1

B

Yes

DTC P0134 O2S Circuit Insufficient Activity Sensor 1

B

Yes

DTC P0171 Fuel Trim System Lean

B

Yes

DTC P0172 Fuel Trim System Rich

B

Yes

DTC P0336 Crankshaft Position (CKP) Sensor Performance

A

Yes

DTC P0601 Control Module Read Only Memory (ROM)

A

Yes

DTC P1201 Gas Mass Sensor Performance

A

Yes

DTC P1202 Gas Mass Sensor Circuit Low Frequency

A

Yes

DTC P1203 Gas Mass Sensor Circuit High Frequency

A

Yes

DTC P1215 Control Module Output Circuits

A

Yes

DTC P1432 Fuel Pressure Sensor Circuit Low Voltage

A

Yes

DTC P1433 Fuel Pressure Sensor Circuit High Voltage

A

Yes