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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2399 (OBJECT DETECTION SYSTEM - PARK ASSIST SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESPARK ASSIST BLOCKED MESSAGE ONCIRCUIT/SYSTEM VERIFICATION
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Circuit/System Verification

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION 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.
NOTE:

After the detected cause has been addressed the vehicle must be driven at speed greater than 40 km/h (25 mph).

  1. Verify the "PARK ASST BLOCKED SEE OWNERS MANUAL" or "PARK ASSIST BLOCKED SEE OWNERS MANUAL" message is not ON for one of the reasons listed in table above. Perform the following steps:
    • If the message is ON and "operating as designed" column is "Yes" per table above

      The park assist system is functioning correctly and requires no repairs, correct the condition causing the message to be ON and explain normal operation to the customer.

    • If the message is ON and "operating as designed" column is "No" per table above
  2. Perform appropriate action listed in the Corrective Action column per the table above.
    • If the message is not ON 
  3. All OK.
RENDER: 1.0x

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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.