Antilock Brake System (ABS): 1001

1001-CAB INTERNAL FAILURE - SIGNAL ERROR





When Monitored and Set Condition
^ When Monitored: The Controller Antilock Brake (CAB) monitors the internal functions of the CAB continuously.
^ Set Condition: The Controller Antilock Brake (CAB) will set this DTC if an internal fault is detected.

POSSIBLE CAUSES
- CONTROLLER ANTILOCK BRAKE (CAB)

For a complete Antilock Brake System (ABS) Circuit Diagram, (Refer to - BRAKES/ELECTRICAL - SCHEMATICS AND DIAGRAMS).

1. MONITOR THE CAB WITH THE DRBIII





With the DRBIII, erase DTCs. Start the engine. With an assistant to drive, use the DRBIII to monitor the CAB module DTCs while performing road test.
Did the DTC return?
Yes >> Replace the Controller Antilock Brake (CAB) Module. Perform ABS VERIFICATION TEST. ABS Verification Test
No >> Inspect and repair the related wiring harness for a possible intermittent condition. Perform ABS VERIFICATION TEST. ABS Verification Test