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 20 (THEFT DETERRENT SYSTEM)SELF-DIAGNOSTIC SYSTEMDIAGNOSTIC TROUBLE CODE DEFINITIONS
2004 Oldsmobile Bravada RWD
Diagnostic Trouble Code Definitions
2004 Oldsmobile Bravada RWDSECTION Diagnostic Trouble Code Definitions
WARNING: This page is about a different car, the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC (1) | Description | Perform Test | ||
|---|---|---|---|---|
| B0688 | Security Indicator Circuit Fault | B0688 | ||
| B1007 | Checksum Value Error | B1007 | ||
| B2947 | Passlock(tm) Sensor Power Circuit Low | B2947 | ||
| B2948 | Passlock(tm) Sensor Power Circuit High | B2948 | ||
| B2957 | Passlock(tm) Sensor Data Circuit Low | B2957 | ||
| B2958 | Passlock(tm) Sensor Data Circuit High | B2958 | ||
| B2960 | Passlock(tm) Sensor Data Incorrect But Valid | B2960 | ||
| B3031 | Controller In Learn Mode | B3031 | ||
| B3033 | System Indicates Tamper | B3033 | ||
| C0559 | EEPROM Checksum Error | C0559 | ||
| P1626 | Invalid Fuel Enable Password | P1626 | ||
| P1630 | Powertrain Control Module Unable To Learn Passlock(tm) Module Password | P1630 | ||
| P1631 | Invalid Password Received | P1631 | ||
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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.