Valve Power Feed Failure

Symptom:
VALVE POWER FEED FAILURE

When Monitored:
Ignition on. The CAB monitors its internal microprocessors for correct operation.

Set Condition:
If the CAB detects an internal fault, the DTC is set.

Test 1-2:

Test 3-7:

Test 8-10:

POSSIBLE CAUSES
- INTERMITTENT DTC
- ABS VALVE FUSE
- ABS VALVE FUSED B(+) SUPPLY CIRCUIT OPEN
- ABS VALVE FUSED B(+) CIRCUIT OPEN
- ABS VALVE FUSED B(+) CIRCUIT INTERMITTENT SHORT TO GROUND
- ABS VALVE FUSED B(+) CIRCUIT SHORT TO GROUND
- DAMAGED CAB/CAB HARNESS CONNECTOR
- CAB - GROUND CIRCUIT OPEN
- CAB - INTERNAL FAULT