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 1582 (THEFT DETERRENT SYSTEM)
2004 Oldsmobile Bravada RWD
Section 1582 (Theft Deterrent System)
2004 Oldsmobile Bravada RWDSECTION Section 1582 (Theft Deterrent System)
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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 B2947: Short To Ground On Passlock™ Sensor Power Circuit
- DTC B2948: Sensed Battery Voltage
- DTC B2957: BCM Signal Input Voltage Low
- DTC B2958: BCM Signal Input Voltage High
- DTC B2960: Valid But Different Code Value Than Previously Learned From Passlock™ Sensor
- DTC B3031: BCM In Learn Mode But Does Not See A Valid Passlock™ Sensor Code
- DTC B3033: BCM Is Reading A Tamper Code From Passlock™ Sensor
- DTC P1626: PCM Has Not Established Communications With BCM
- DTC P1631: PCM Did Not Receive A Valid Password
- Symptoms-Theft Deterrent
- 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
- Theft Systems Description and Operation
- Content Theft Deterrent (CTD) Description and Operation
- Content Theft Deterrent (CTD) System
- SECURITY Telltale
- Body Control Module (BCM)
- Door Latch (Door Jamb) Switches
- Door Key Switch
- Remote Control Door Lock Receiver Module System
- Off State
- Idle State
- Disarmed State
- Read-To-Arm State
- Arm Initiated State
- Arm Delay State
- Armed State
- Alarmed State
- Remote Panic Alarm/Vehicle Locator State
- Disarming the System
- Deactivating the Alarm
- Alarm State Activation
- Return System to Arm Initiated State
- Ignition Switch Disarm Function
- Vehicle Theft Deterrent (VTD) Description and Operation
- Special Tools and Equipment
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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.