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 C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1920 (KEYLESS ENTRY SYSTEM AND REMOTE FUNCTIONS)DIAGNOSTIC INFORMATION AND PROCEDURESREMOTE VEHICLE START INOPERATIVECIRCUIT/SYSTEM VERIFICATION
2006 Chevrolet Suburban C2500, 6.0 U
Circuit/System Verification
2006 Chevrolet Suburban C2500, 6.0 USECTION Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that RVS is enabled through vehicle personalization.
- If RVS is not enabled, use vehicle personalization to turn on RVS functionality. Refer to the vehicle owners manual.
- Verify that the keyless entry functions operate with all available keyless entry transmitters.
- If the keyless entry system does not function properly, refer to Keyless Entry System Inoperative .
- Observe the scan tool ECM and BCM RVS Disable History parameters, Verify that no RVS Disable History items are present.
- If RVS Disable History items are present, refer to the appropriate subsection in which the failure occurred.
- Verify the scan tool BCM Current CTD Trigger parameter displays None.
- If not specified value, refer to Content Theft Deterrent Malfunction .
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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.