Tests AC: The Anti-Theft Indicator Is Never/Always On

PINPOINT TEST AC: THE ANTI-THEFT INDICATOR IS NEVER/ALWAYS ON

AC1:

AC2-AC4:

Normal Operation
The instrument cluster receives the anti-theft status from the PCM over the high speed CAN communication bus lines. The anti-theft indicator proves out for 3 seconds when the ignition switch is turned to the RUN or the START position. If there is a passive anti-theft system (PATS) concern, the indicator either flashes rapidly or glows steadily (for more than 3 seconds) when the ignition switch is turned to the RUN or START position. PATS also flashes the anti-theft indicator every 2 seconds at ignition OFF to act as a visual theft deterrent.

Possible Causes
- PCM
- Instrument cluster