Diagnostic Aids

2011 Chevrolet Corvette Base, 2D Convertible, AutomaticSECTION Diagnostic Aids
  • A slight resistance of 1-4Ξ© on the CAC pump ground circuit or the CAC pump or pump relay B+ circuits may cause this DTC to set.
  • This test procedure assumes that the vehicle battery has passed a load test and is completely charged. Refer to Battery Inspection/Test .
  • When disconnecting electrical connectors or removing fuses and relays from a fuse block, always inspect the component electrical terminals for corrosion and the mating electrical terminals for correct tension.
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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.