Early Production (SBEC)

Test 1 - 2:

Test 3 - 6:

SYMPTOM
P0703-BRAKE SWITCH SENSE CIRCUIT

WHEN MONITORED
TEST #1: Vehicle speed greater than 17 MPH to enable.
TEST #2: Speed must be 0 and brake switch indicates on.

SET CONDITION
TEST #1: If vehicle speed goes to 0 MPH without brake input. Condition must be repeated 9 times to set fault. Two trip fault.
TEST #2: If vehicle speed go above 17 MHP for more than 6.4 seconds without a change in brake state. Condition must be repeat 9 times to set fault.

POSSIBLE CAUSES
- Good trip equal to zero
- (K29) brake switch sense circuit
- (K29) brake switch sense shorted to ground
- (Z241) ground circuit open
- Brake lamp switch operation
- PCM