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 1602 (THEFT DETERRENT SYSTEM)
2004 Oldsmobile Bravada RWD
Section 1602 (Theft Deterrent System)
2004 Oldsmobile Bravada RWDSECTION Section 1602 (Theft Deterrent System)
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point-Theft Deterrent
- Diagnostic System Check-Theft Deterrent
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B2945: Passlock Power/Ground Circuit
- DTC B2955: Passlock Code
- DTCP1626: PCM To BCM Communication
- DTC P1630: Enable Learning Flag Is Set
- DTCP1631: PCM Did Not Receive A Valid Password
- DTC P1632: Received A Fuel Disabled Password From The BCM Or Undecided Password Was Sent From The BCM
- Symptoms - Theft Deterrent
- Important Preliminary Checks Before Starting
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Content Theft Deterrent (CTD) Alarm Mode Inoperative
- Content Theft Deterrent (CTD) Does Not Disarm with Key Lock
- Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode
- Lights Inoperative in Content Theft Deterrent (CTD) Alarm Mode
- Security Indicator Always On or Flashing
- Security Indicator Inoperative
- Repair Instructions
- Description and Operation
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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.