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Home › Pontiac › 2001 › Aztek Base, AWD › Repair and Diagnosis › Engine Performance › System › Engine Controls Self-Diagnostics › Diagnostic Tests › DTC P1631: Theft Deterrent Start Enable Signal Not Correct › Diagnostic Procedures

Diagnostic Procedures

  1. Perform powertrain diagnostic system check. See POWERTRAIN DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. After performing diagnostic system check, go to next step.
  2. If DTC B2960 set as a current code, diagnose DTC B2960. See appropriate ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT. If DTC B2960 is not set, go to next step.
    3. NOTE: If the 10-minute or 30-minute relearn procedure is performed, all keys not learned at that time will be erased and will not be recognized. Perform adding keys procedure on all keys.
  3. Program theft deterrent system. See PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS  under PROGRAMMING. After programming, go to next step.
  4. Turn ignition on, with engine off. Using scan tool, clear DTCs. Operate vehicle within the conditions for running this DTC. See CODE ENABLE CRITERIA . If DTC resets, go to step  2. If no DTCs are displayed, system is okay.
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