ABS Brake Messages

Symptom:
ABS BRAKE MESSAGE

When Monitored: Valid Brake CAN message received at least once and CAN Bus Circuit, ABS CAN Message Missing, ABS CAN Message Incorrect are not active.

Set Condition: Signal "brake-light switch" not valid- ABS sending invalid value.

Test 1-2:

Test 3-4:

POSSIBLE CAUSES
- CAN C BUS CIRCUIT DTC PRESENT
- ABS DTCs PRESENT
- ABS - BRAKE MESSAGE ERROR
- TCM - BRAKE MESSAGE ERROR