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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1416 (OBJECT DETECTION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESPARKING ASSIST SYSTEM MALFUNCTIONCIRCUIT/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 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.
  1. Ignition ON, verify the park assist system is enabled through the DIC.
    • If the park assist system is manually disabled, enable the system. Refer to the vehicle owners manual for instructions on enabling the system.
  2. Observe the scan tool Park Assist Switch parameter while pressing and releasing the park assist disable switch. The parameter should change between Active and Inactive.
    • If the parameter does not cycle between the specified values, refer to Park Assist Disable Switch Circuit Malfunction under Circuit/System Testing .
  3. Observe the scan tool Park Assist Switch LED parameter while pressing and releasing the park assist disable switch. The parameter should change between On and Off.
    • If the parameter does not cycle between the specified values, refer to Park Assist Disable LED Circuit Malfunction under Circuit/System Testing .
  4. Command each of the park assist indicator LEDs ON and OFF with a scan tool. Each of the LEDs should turn ON and OFF as commanded.
  5. Ignition ON, vehicle in reverse, verify the scan tool Park Assist System Status parameter is Enable.
    IMPORTANT: After completing the next step the vehicle might need to be driven in the forward direction at speed greater than 40 km/h (25 mph).
    • If not the specified value, refer to Diagnostic Aids  and the scan tool Park Assist Disable History parameters to determine the cause of the inhibit.
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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.
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