For 1990-2009 cars only
This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.
The GM LAN modules on this vehicle also support DTC Symptom information.
DTC | DTC Descriptor | Module That Sets the DTC | Diagnostic Procedure |
|---|---|---|---|
1 | In-Car Air Temperature Sensor Error | HVAC | |
2 | Ambient Air Temperature Sensor Error | HVAC | |
3 | Coolant Temperature Sensor Error | HVAC | |
4 | Air Mix Door Error | HVAC | |
5 | Sun Sensor Error | HVAC | |
6 | Power Transistor Error | HVAC | |
7 | Max-Hi Relay Error | HVAC |
