Self-Diagnostic System

BCM controls PASS-Key(R) II system. BCM may store DTCs related to PASS-Key(R) II system, including the following:

• B2721
  
  Detection circuit out of range.
• B2722
  
  Detection circuit shorted to ground.
• B2723
  
  Detection circuit shorted to voltage or open.
• B2735
  
  Programming mode active.

Refer to appropriate BODY CONTROL MODULES article for diagnosis, repair and relearn procedures.