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 MANUALSCHEVROLET1998CHEVY VAN G2500, VAN CARGO, 5.0 MREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSANTI-THEFT SYSTEM
1998 Chevrolet Chevy Van G2500, Van Cargo, 5.0 M
Anti-Theft System
1998 Chevrolet Chevy Van G2500, Van Cargo, 5.0 MSECTION Anti-Theft System
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- DTC B0688: Security Indicator Light Circuit High
- DTC B2947: PASSLOCK(R) Sensor Power Circuit Low
- DTC B2948: PASSLOCK(R) Sensor Power Circuit High
- DTC B2957: PASSLOCK(R) Sensor Data Circuit Low
- DTC B2958: PASSLOCK(R) Sensor Data Circuit High
- DTC B2960: Sensor Data Incorrect But Valid
- DTC B3031: Controller In Learn Mode
- DTC B3033: System Indicates Tamper
- DTC C0559: Checksum Error
- DTC U1016: Loss Of Class 2 Communication With VCM
- DTC U1255: Class 2 Communication Malfunction
- System Tests
- Removal & Installation
- Wiring Diagrams
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.