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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Anti-Theft System) >> Diagnostic Tests >> DTC B2722: Pass-Key(R) Detection Circuit Short To Ground >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. The following conditions may cause an intermittent:
    • Intermittent short to ground in White/Black wire between BCM and ignition switch.
    • Intermittent short between White/Black and Purple/White wires.
    • PASS-Key(R) resistor is shorted.
  2. If key resistor pellet is incorrect, there will be no BCM outputs to theft deterrent relay or PCM for about 3 minutes. If a key (even a proper PASS-Key(R)) is inserted or ignition is turned on again, a 3-minute time-out period will reset. If battery is disconnected, time-out period will be reset when battery is reconnected.
  3. If there is a short between White/Black wire and Purple/White wire between BCM and ignition switch, a no-crank condition will exist.
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