2002 Saturn L200 AutomaticFACTORY OEM SERVICE PROCEDURE

Anti-Theft (PASSLOCK) DTCS

ANTI-THEFT (PASSLOCK) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC B2947 SECURITY SYSTEM SENSOR POWER CIRCUIT LOW
DTC B2948 SECURITY SYSTEM SENSOR POWER CIRCUIT HIGH
DTC B2957 SECURITY SYSTEM SENSOR DATA CIRCUIT LOW
DTC B2958 SECURITY SYSTEM SENSOR DATA CIRCUIT HIGH
DTC B2960 SECURITY SYSTEM SENSOR DATA INCORRECT BUT VALID
DTC B3031 SECURITY SYSTEM CONTROLLER IN LEARN MODE
DTC B3033 SECURITY SYSTEM INDICATES TAMPER
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.