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.
2000 Chevrolet Venture Base, Van Passenger ExtendedFACTORY OEM SERVICE PROCEDURE
Body Control Modules
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Preliminary Inspection
- Body Control Module Diagnostic System Check
- Lighting System Diagnostic System Check
- Retained Accessory Power (Rap) Diagnostic System Check
- Anti-Theft System Diagnostic System Check
- Driver Information System Diagnostic System Check
- Instrument Panel Cluster Diagnostic System Check
- Power Sliding Side Doors Diagnostic System Check
- U1XXX - Loss Of Communication Codes
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC 1: Fasten Seat Belt Indicator Control Circuit Shorted To Battery Or Ground
- DTC 2: Battery Feed To Courtesy Lights
- DTC 3: Courtesy Lights
- DTC 6: Theft Deterrent Relay Control Circuit Shorted
- DTC 7: Horn System
- DTC 8: Remote Keyless Entry
- DTC U1000 & DTC U1255: Class 2 Communication Malfunction
- DTC U1001-U1254: Loss Of Communications With XXX
- DTC U1300: Class 2 Data Link Low
- DTC U1301: Class 2 Data Link High
- DTC U1305: Class 2 Data Link Low Or High
- System Tests
- Removal & Installation
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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