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 1754 (THEFT DETERRENT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESNOTES
2004 Oldsmobile Bravada AWD
Diagnostic Information and Procedures: Notes
2004 Oldsmobile Bravada AWDSECTION Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
DTC INDEX
| DTC | Description |
|---|---|
| DTC B2734 | Check Sum Error |
| DTC B3031 | Security System Controller In Learn Mode |
| DTC B3055 | No Transponder Modulation or No Transponder |
| DTC B3060 | Unprogrammed Transponder Identification Code Received |
| DTC B3935 | Transponder Authentication Error |
| DTC P1630 | Theft Deterrent Learn Mode Active |
| DTC P1631 | Theft Deterrent Fuel Enable Signal Not Correct |
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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.