1000 - 1999: 1004

1004 - CAB INTERNAL FAILURE: RIGHT FRONT INLET VALVE





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.





For a complete Antilock Brake System (ABS) Circuit Diagram Brakes - ABS Electrical Diagnostics.

1. MONITOR ALL WHEEL SPEED SENSORS WITH THE SCAN TOOL
With the scan tool, erase DTCs.
Start the engine.
With an assistant to drive, use the scan tool to monitor the CAB module DTCs while performing road test.
Did the DTC return?

Yes

- Replace Controller Antilock Brake (CAB) Module. Front Wheel Speed Sensor - Removal.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Inspect and repair the related wiring harness for a possible intermittent condition.
- Refer to the ABS-INTERMITTENT CONDITION TEST. ABS Intermittent Condition Test