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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULES
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Body Control Modules
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Body Control Modules
- Description & Operation
- Control Module References
- Component Locations
- Programming
- Troubleshooting
- INTERMITTENTS
- Self-Diagnostic System
- Notes
- Anti-Lock Brake System Diagnostic System Check
- Automatic Transmission Diagnostic System Check
- Cruise Control System Diagnostic System Check
- Engine Controls Diagnostic System Check
- Engine Cooling System Diagnostic Check
- Engine Electrical System Diagnostic System Check
- Inspection/Maintenance Diagnostic System Check
- Entertainment System Diagnostic System Check
- Instrument Panel Cluster Diagnostic System Check
- Sir Diagnostic System Check
- Theft Deterrent System Diagnostic System Check
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- DTC B0688: Security Indicator Circuit Fault
- DTC B1000: Body Control Module Internal Fault
- DTC B1004: Keep Alive Memory Data Lost
- DTC B1007: Checksum Value Error
- DTC B1009: EEPROM Checksum Error
- DTC U1000 Or U1255: Class 2 Communication Malfunction
- DTC U1001-U1254: Loss Of XXX Communication
- DTC U1300: Class 2 Data Link Low
- DTC U1301: Class 2 Data Link High
- System Tests
- Removal & Installation
- Electronic Brake Control Module & Brake Pressure Modulator Valve
- Heating, Ventilation & Air Conditioning (HVAC) Control Module
- Inflatable Restraint Sensing & Diagnostic Module (SDM)
- Instrument Panel Cluster
- PASSLOCK(tm) MODULE (THEFT DETERRENT CONTROL MODULE)
- Powertrain Control Module/Vehicle Control Module
- Wiring Diagrams
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.