Diagnostic Code Index
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0158, B0163, B0173, B0178, B0509, or B0514 | B0158 05: Outside Air Temperature Sensor Circuit Short to Battery or Open B0158 02: Outside Air Temperature Sensor Circuit Short to Ground B0163 05: Passenger Compartment Temp Sensor 1 Circuit Short to Battery or Open B0163 02: Passenger Compartment Temp Sensor 1 Circuit Short to Ground B0173 05: Output Air Temperature Sensor 1 Circuit Short to Battery or Open B0173 02: Output Air Temperature Sensor 1 Circuit Short to Ground B0178 05: Output Air Temperature Sensor 2 Circuit Short to Battery or Open B0178 02: Output Air Temperature Sensor 2 Circuit Short to Ground B0509 05: Output Air Temperature Sensor 3 Circuit Short to Battery or Open B0509 02: Output Air Temperature Sensor 3 Circuit Short to Ground B0514 05: Output Air Temperature Sensor 4 Circuit Short to Battery or Open B0514 02: Output Air Temperature Sensor 4 Circuit Short to Ground |
| DTC B0183 or B0188 | B0183 02: Solar Load Sensor 1 Circuit Short to Ground B0183 05: Solar Load Sensor 1 Circuit Short to Battery or Open B0188 02: Solar Load Sensor 2 Circuit Short to Ground B0188 05: Solar Load Sensor 2 Circuit Short to Battery or Open |
| DTC B0228, B0413, B0423, or B3779 | B0228 02: Recirculate Position Feedback Circuit Short to Ground B0228 05: Recirculate Position Feedback Circuit Short to Battery or Open B0228 61: Recirculate Position Circuit Actuator Stuck B0413 02: Temperature Control 1 Feedback Circuit Short to Ground B0413 05: Temperature Control 1 Feedback Circuit Short to Battery or Open B0413 61: Temperature Control 1 Feedback Circuit Actuator Stuck Open B0423 02: Temperature Control 2 Feedback Circuit Short to Ground B0423 05: Temperature Control 2 Feedback Circuit Short to Battery or Open B0423 61: Temperature Control 2 Circuit Actuator Stuck B3779 02: Air Flow Control 9 Feedback Circuit Short to Ground B3779 05: Air Flow Control 9 Feedback Circuit Short to Battery or Open B3779 61: Air Flow Control 9 Circuit Actuator Stuck |
| DTC B1023 | B1023 05: Integral Switch Performance Short to Ground B1023 06: Integral Switch Performance Short to Battery or Open B1023 61: Integral Switch Performance Signal Invalid |
| DTC P0532 or P0533 | P0532: Air Conditioning A/C Refrigerant Pressure Sensor Circuit Low Voltage P0533: Air Conditioning A/C Refrigerant Pressure Sensor Circuit High Voltage |
| DTC P0645 | P0645: A/C Clutch Relay Control Circuit |
| DTC P0646 or P0647 | P0646: Air Conditioning (A/C) Clutch Relay Control Circuit Low Voltage P0647: Air Conditioning (A/C) Clutch Relay Control Circuit High Voltage |