2017 Chevrolet Traverse LS BaseFACTORY OEM SERVICE PROCEDURE

Immobilizer System - DTCS

IMMOBILIZER SYSTEM - DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
DTC B0996 Vehicle Electronic Control Unit (ECU) VIN Check Error
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 P162B Remote Vehicle Speed Limiting Signal Message Counter Incorrect
DTC P1631 Theft Deterrent Fuel Enable Signal Not Correct
Factory Service Tools

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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.