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.
Diagnostic Procedure
2004 Oldsmobile Bravada RWDSECTION Diagnostic Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Observe AIR BAG warning light when turning ignition on. If AIR BAG warning light flashes 7 times, go to next step. If AIR BAG warning light does not flash 7 times, inspect vehicle for damage to wiring system, visible body damage, faulty or intermittent electrical connections or addition of aftermarket devices which could affect SIR operation. Diagnose AIR BAG warning light malfunction. See AIR BAG WARNING LIGHT CIRCUIT MALFUNCTION .
- Connect scan tool to Data Link Connector (DLC), located under left side of instrument panel. If scan tool powers up, go to next step. If scan tool does not power up, inspect and repair data link communication circuits.
- Using scan tool, attempt to communicate with SDM. If scan tool communicates with SDM, go to next step. If scan tool does not communicate with SDM, inspect and repair data link communication circuits.
- Using scan tool, request SIR DTC display. Record displayed DTC's making note if they are current or history DTC's. If scan tool displays any SIR DTC's, go to next step. If scan tool does not display any DTC's, SIR system is normal.
- If scan tool displays any DTC's that begin with "U", inspect and repair applicable data link communication circuits and components. If no DTC's are displayed that begin with "U", go to next step.
- If scan tool displays other DTC's diagnose and repair applicable SIR DTC's. See DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION table.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| Trouble Code | Possible Cause |
|---|---|
| B0012 | Passenger Stage 2 deployment loop resistance low |
| B0013 | Passenger Stage 2 deployment loop resistance high |
| B0014 | Passenger Stage 2 deployment loop short to ground or voltage |
| B0016 | Passenger Stage 1 deployment loop resistance low |
| B0017 | Passenger Stage 1 deployment loop resistance high |
| B0018 | Passenger Stage 1 deployment loop short to ground or voltage |
| B0022 | Driver Stage 1 deployment loop resistance low |
| B0024 | Driver Stage 2 deployment loop short to ground or voltage |
| B0026 | Driver Stage 2 deployment loop resistance high |
| B0028 | Passenger side impact deployment loop resistance low |
| B0029 | Passenger side impact deployment loop resistance high |
| B0030 | Passenger side impact deployment loop short to ground or voltage |
| B0040 | Driver side impact deployment loop resistance low |
| B0041 | Driver side impact deployment resistance high |
| B0042 | Driver Stage 2 deployment loop resistance low |
| B0043 | Driver Stage 2 deployment loop short to ground or voltage |
| B0044 | Driver Stage 2 deployment loop resistance high |
| B0045 | Driver side impact deployment loop short to ground or voltage |
| B0051 | Deployment commanded |
| B0053 | Deployment commanded with loop malfunction |
| B0077 | Driver-side SIS valid identification message not received |
| B0078 | Passenger-side SIS valid identification message not received |
| B0079 | Driver-side SIS identification not correct |
| B0080 | Driver-side SIS NOK message |
| B0081 | Passenger-side SIS identification not correct |
| B0082 | Passenger-side SIS NOK message |
| B0100 | Front end discriminating sensor valid identification message not received |
| B0101 | Front end discriminating sensor NOK message |
| B0102 | Front end discriminating sensor incorrect identification message |
| B1000 | SDM malfunction |
| B1001 | Option configuration error |
RENDER: 1.0x
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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.