GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Generic
🢒
1999
🢒
Unit Repair
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0126 Engine Coolant Temperature (ECT) Insufficient for Stable Operation
DTC P0182 Fuel Temperature Sensor Circuit Low Voltage
DTC P0183 Fuel Temperature Sensor Circuit High Voltage
DTC P0215 Engine Shutoff (ESO) Solenoid Control Circuit
DTC P0216 Injection Timing Control Circuit
DTC P0219 Engine Overspeed
DTC P0231 Fuel Pump Feedback Circuit Low Voltage
DTC P0232 Fuel Pump Feedback Circuit High Voltage
DTC P0234 Turbocharger Engine Overboost
DTC P0236 Turbocharger Boost System Performance
DTC P0237 Turbocharger Boost Sensor Circuit Low Voltage
DTC P0238 Turbocharger Boost Sensor Circuit High Voltage
DTC P0243 Turbocharger Wastegate Solenoid Control Circuit
DTC P0251 Injection Pump Cam Sensor Circuit
DTC P0300 Engine Misfire Detected
DTC P0301 Cylinder 1 Misfire Detected
DTC P0302 Cylinder 2 Misfire Detected
DTC P0303 Cylinder 3 Misfire Detected
DTC P0304 Cylinder 4 Misfire Detected
DTC P0305 Cylinder 5 Misfire Detected
DTC P0306 Cylinder 6 Misfire Detected
DTC P0307 Cylinder 7 Misfire Detected
DTC P0308 Cylinder 8 Misfire Detected
DTC P0335 Crankshaft Position (CKP) Sensor Circuit
DTC P0370 Timing Reference High Resolution System Performance
DTC P0380 Glow Plug Feedback Circuit
DTC P0461 Fuel Level Sensor Performance
DTC P0462 Fuel Level Sensor Circuit Low Voltage
DTC P0463 Fuel Level Sensor Circuit High Voltage
DTC P0475 Exhaust Pressure Regulator (EPR) Solenoid Control Circuit
DTC P0500 Vehicle Speed Sensor (VSS) Circuit
DTC P0560 System Voltage
DTC P0562 System Voltage Low
DTC P0563 System Voltage High
DTC P0567 Cruise Control Resume Switch Circuit
DTC P0568 Cruise Control Set Switch Circuit
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0602 Control Module Not Programmed
DTC P0603 Control Module Long Term Memory Reset
DTC P0604 Control Module Random Access Memory (RAM)
DTC P0606 Control Module Internal Performance
DTC P0621 Generator L-Terminal Circuit
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0654 Engine Speed Output Circuit
DTC P0704 Clutch Switch Circuit
DTC P1125 Accelerator Pedal Position (APP) System
DTC P1214 Injection Pump Timing Offset
DTC P1216 Fuel Solenoid Response Time Too Short
DTC P1217 Fuel Solenoid Response Time Too Long
DTC P1218 Injection Pump Calibration Circuit
DTC P1271 Accelerator Pedal Position (APP) Sensor 1-2 Correlation
DTC P1272 Accelerator Pedal Position (APP) Sensor 2-3 Correlation
DTC P1273 Accelerator Pedal Position (APP) Sensor 1-3 Correlation
DTC P1275 Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P1277Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P1278 Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P1280 Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P1282 Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P1283 Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
DTC P1285 Accelerator Pedal Position (APP) Sensor 3 Circuit
DTC P1287 Accelerator Pedal Position (APP) Sensor 3 Circuit Low Voltage
DTC P1288 Accelerator Pedal Position (APP) Sensor 3 Circuit High Voltage
DTC P1621 Control Module Long Term Memory Performance
DTC P1626 Theft Deterrent Fuel Enable Signal Lost
DTC P1627 Control Module Analog to Digital Performance
DTC P1631 Theft Deterrent Start Enable Signal Not Correct
DTC P1635 5 Volt Reference Circuit
DTC P1639 5 Volt Reference 2 Circuit
DTC P1643 Wait to Start Lamp Control Circuit
DTC P1646 5 Volt Reference 3 Circuit