Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1971 (HVAC SYSTEM - AUTOMATIC)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2004 Oldsmobile Bravada AWD
Diagnostic Code Index
2004 Oldsmobile Bravada AWDSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0158 | B0158 13: Outside Air Temperature Sensor Voltage Low B0158 14: Outside Air Temperature Sensor Voltage High |
| DTC B0163, B0173, or B0178 | B0163 02: Passenger Compartment Temperature Sensor Circuit Short to Ground B0163 05: Passenger Compartment Temperature Sensor Circuit Short to Battery or Open B0173 02: Upper Air Temperature Sensor 1 Circuit Short to Ground B0173 05: Upper Air Temperature Sensor 1 Circuit Short to Battery or Open B0178 02: Lower Air Temperature Sensor 2 Circuit Short to Ground B0178 05: Lower Air Temperature Sensor 2 Circuit Short to Battery or Open |
| DTC B0183 or B0188 | B0183 02: Solar Load Sensor 1 Circuit Short to Ground B0183 05: Solar Load Sensor 1 Circuit Short to Short to Battery or Open B0188 02: Solar Load Sensor 2 Circuit Short to Ground B0188 05: Solar Load Sensor 2 Circuit Short to Short to Battery or Open |
| DTC B0228, 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 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 B3844 (with HP5) | B3844: Heater Core Pump Circuit |
| DTC B3844 (with HP7) | B3844: Heater Core Pump Circuit |
| DTC B3933 | B3933 13: Air Conditioning (A/C) Evaporator Temperature Sensor Circuit Low Voltage B3933 14: Air Conditioning (A/C) Evaporator Temperature Sensor Circuit High Voltage |
| 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, P0646, or P0647 | P0645: Air Conditioning (A/C) Clutch Relay Control Circuit P0646: Air Conditioning (A/C) Clutch Relay Control Circuit Low Voltage P0647: Air Conditioning (A/C) Clutch Relay Control Circuit High Voltage |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.