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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULESSELF-DIAGNOSTIC SYSTEMNOTES
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Self-Diagnostic System: Notes
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Notes
CAUTION:
Use appropriate adapter from Connector Test Adapter Kit (J-35616-A) to probe or check terminals. This will ensure that terminal is not damaged, and that contact tension is adequate.
Begin diagnosis of body control system by performing appropriate diagnostic system check for system in which customer concern is apparent. See DIAGNOSTIC SYSTEM CHECK table.
DIAGNOSTIC SYSTEM CHECK
| System | Perform Test |
|---|---|
| Anti-Lock Brakes | ANTI-LOCK BRAKE SYSTEM DIAGNOSTIC SYSTEM CHECK |
| Automatic Transmission | AUTOMATIC TRANSMISSION DIAGNOSTIC SYSTEM CHECK |
| Cruise Control | CRUISE CONTROL SYSTEM DIAGNOSTIC SYSTEM CHECK |
| Engine Controls | ENGINE CONTROLS DIAGNOSTIC SYSTEM CHECK |
| Engine Cooling | ENGINE COOLING SYSTEM DIAGNOSTIC SYSTEM CHECK |
| Engine Electrical | ENGINE ELECTRICAL SYSTEM DIAGNOSTIC SYSTEM CHECK |
| Entertainment System | ENTERTAINMENT SYSTEM DIAGNOSTIC SYSTEM CHECK |
| Instrument Cluster | INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK |
| Theft Deterrent | THEFT DETERRENT SYSTEM DIAGNOSTIC SYSTEM CHECK |
RENDER: 1.0x
NO RELATED
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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.