Anti-Theft DTCS

2000 Buick Park Avenue Base, 3.8 1SECTION Anti-Theft DTCS
ANTI-THEFT DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
B2734 Coded Key Controller Memory Failure
B2960 Invalid Coded Key Present
B3031 Key Decoder Device In Assembly Learn Mode
B3055 Key Not Present
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:

  • 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.