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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 199 (CHARGING SYSTEM)SYSTEM TESTSTEST B: CHARGE INDICATOR LIGHT ALWAYS ON
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Test B: Charge Indicator Light Always On
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Test B: Charge Indicator Light Always On
WARNING: This page is about a different car, the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- If engine electrical diagnostic system check was performed, go to next step. If engine electrical diagnostic system check was not performed, go to ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM.
- Start engine. If battery charge indicator remains illuminated after 5 second bulb check, go to next step. If battery charge indicator does not remain illuminated after 5 second bulb check, problem may be intermittent. Check wiring and connections, and see PRELIMINARY INSPECTION under TROUBLE SHOOTING.
- Connect scan tool to Data Link Connector (DLC). Using scan tool, observe BATTERY VOLTAGE parameter from Instrument Panel Cluster (IPC) data list. If voltage measures 10.5-15.5 volts, go to next step. If voltage does not measure 10.5-15.5 volts, go to TEST A: CHARGING SYSTEM TEST .
- Replace IPC. See INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. After repairs are made, go to next step.
- Operate system to verify repair. If condition was corrected, system is okay. If condition was not corrected, go to step 2.
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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.