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P0572

Test 1 - Test 3:




Test 4:






SYMPTOM
P0572-BRAKE SWITCH NO.1 CIRCUIT LOW

WHEN MONITORED
Ignition on.

SET CONDITION
When the PCM recognizes Brake Switch #1 is mechanically stuck in the low/on position. One Trip Fault. Three Global Good Trips to Clear.

POSSIBLE CAUSES
- Good trip equal to zero
- Brake lamp switch operation
- (B15) Brake switch no.1 signal circuit shorted to ground
- PCM