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 RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1022 (ENGINE COOLING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2004 Oldsmobile Bravada RWD
Scan Tool Output Controls
2004 Oldsmobile Bravada RWDSECTION Scan Tool Output Controls
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Hybrid Control Module (HCM) Scan Tool Output Controls
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Auxiliary Coolant Pump Relay | HPCM | Commands the auxiliary coolant pump relay ON and OFF. |
Instrument Cluster Scan Tool Output Controls
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Special Functions | Lamp Test | Command the instrument cluster to illuminate all lamps in the cluster. |
| Special Functions | IPC Gages | Command the instrument cluster to sweep all gages. |
| Special Functions | Segment Tests | Command the instrument cluster message center to display all segments. |
Starter Generator Control Module (SGCM) Scan Tool Output Controls
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| SGCM Fan Speed | SGCM | Commands the SGCM coolant fan ON and OFF. 0% for OFF and 100% for ON. |
| SGCM Pump Speed | SGCM | Commands the SGCM coolant pump ON and OFF. |
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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.