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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1425 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B2945: Security System Sensor Power Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The BCM detects a short to ground or open on the Passlock sensor power circuit for one second, with the ignition switch in the ACCESSORY, ON, or START position for a short to ground.

The BCM detects a open in the Passlock ground circuit after the ignition is cycled from START to the OFF position.

For a short to power, the BCM must sense battery voltage for at least 1 second after the ignition is cycled from RUN, to START, and back to OFF.

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