Brake Switch Sense Status Does Not Change on DRB

Tests 1 - 2:

Tests 3 - 5:

SYMPTOM
BRAKE SWITCH SENSE STATUS DOES NOT CHANGE ON DRB

TEST NOTE
This symptom is diagnosed using the test P0703 - BRAKE SWITCH SENSE CIRCUIT.

POSSIBLE CAUSES
- Brake lamp switch ground circuit open
- Brake lamp switch sense circuit open
- Brake lamp switch sense circuit shorted to ground
- Brake switch (sense circuit)
- Powertrain Control Module (brake sense)