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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1239 (OBJECT DETECTION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0968CIRCUIT/SYSTEM TESTING
2006 Chevrolet Suburban K2500, 6.0 U
Circuit/System Testing
2006 Chevrolet Suburban K2500, 6.0 USECTION Circuit/System Testing
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the telltale assembly information center.
- Ignition ON, transmission in reverse. Verify a test lamp illuminates when connected between the supply voltage circuit terminal A and ground.
- If the test lamp does not illuminate, test the supply voltage circuit for a short to ground or an open/high resistance.
- Ignition ON, transmission in reverse. Verify that a test lamp illuminates when connected between the supply voltage circuit terminal A and the following control circuit terminals while performing the scan tool LED test.
- Telltale assembly indicator control circuit terminal 4
- Telltale assembly indicator control circuit terminal 5
- Telltale assembly indicator control circuit terminal 6
- If the test lamp does not illuminate for one or more indicator control circuits, test the suspect indicator control circuit for a short to ground or an open/high resistance. If all the circuits test normal, replace the telltale assembly information center.
- If all circuits test normal, test or replace the object alarm module.
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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.