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 EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1515 (OBJECT DETECTION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0968CIRCUIT/SYSTEM TESTING
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30
Circuit/System Testing
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Circuit/System Testing
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the information center telltale assembly.
- Ignition ON, test for 9.0-12.5 V between the supply voltage circuit terminal A and ground.
- If less than the specified range, test the supply voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the object alarm module.
- If greater than the specified range, test the supply voltage circuit for a short to voltage. If the circuit tests normal, replace the object alarm module.
- Test for less than 0.3 V between the appropriate control circuit listed below and ground:
- Amber 1 LED - terminal B
- Amber 2 LED - terminal C
- Red LED - terminal D
- If greater than the specified range, test the control circuit for a short to voltage. If the circuit tests normal, replace the object alarm module.
- Ignition OFF, test for infinite resistance between the appropriate control circuit listed below and ground:
- Amber 1 LED - terminal B
- Amber 2 LED - terminal C
- Red LED - terminal D
- If not the specified value, test the control circuit for a short to ground. If the circuit tests normal, replace the object alarm module.
- Ignition ON, command the appropriate LED ON with a scan tool and test for less than 10 Ξ© between the appropriate control circuit listed below and ground:
- Amber 1 LED - terminal B
- Amber 2 LED - terminal C
- Red LED - terminal D
- If greater than the specified range, test the control circuit for an open/high resistance. If the circuit tests normal, replace the object alarm module.
- If all circuits test normal, test or replace the information center telltale assembly.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.