Diagnostic Aids

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Aids
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.

The DTC C0161 00 can be set if the vehicle has been driven with the brake applied during acceleration. Verify that the brake pedal position sensor is properly calibrated. Refer to DTC U1826 or U1827 .

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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.