Diagnostic Code Index

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B3006  Hood Ajar Circuit Plausibility Failure
DTC B302A  Telematic Requested Immobilization
DTC B3031  Security System Controller In Learn Mode
DTC B3055  No Transponder Modulation or No Transponder
DTC B3060  Unprogrammed Transponder Identification Code Received
DTC B3935  Transponder Authentication Error
DTC B3976  Unconfigured Transponder/Vehicle Configuration Not Programmed
DTC P0513  Theft Deterrent Key Incorrect
DTC P0633  Theft Deterrent Key Not Programmed
DTC P1629  Theft Deterrent Fuel Enable Signal Not Received
DTC P1631  Theft Deterrent Fuel Enable Signal Not Correct
DTC P1632  Theft Deterrent Fuel Disable Signal Received
RENDER: 1.0x

NO RELATED

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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.