P0573

Test 1 - 2:

Test 3 - 5:

SYMPTOM
P0573-BRAKE SWITCH #1 CIRCUIT HIGH

WHEN MONITORED
Ignition on.

SET CONDITION
When the PCM recognizes Brake Switch is stuck in the high/off position. One Trip Fault. Three good trips to turn off the MIL.

POSSIBLE CAUSES
- Good trip equal to zero
- Brake lamp switch operation
- (K29) Brake switch signal circuit open
- (Z1) Ground circuit open
- PCM