CAB Internal Failure

Test 1-2:

Test 3-6:

Symptom:
CAB INTERNAL FAILURE

When Monitored:
Ignition on. The CAB monitors the Fused B(+) circuit at all times for proper system voltage.

Set Condition:
If the Fused B(+) voltage is missing when the CAB detects that an internal main driver is not "on", the Diagnostic Trouble Code (DTC) is set.

POSSIBLE CAUSES
- Sensor or connector damage
- Intermittent DTC
- Wheel speed sensor open or shorted to ground
- Wheel speed sensor (+) or (-) circuit shorted to voltage
- Wheel speed sensor (+) or (-) circuit shorted to ground
- Speed sensor (+) or (-) circuit open
- CAB - internal short or open