Pump Motor Circuit Not Working Properly

Tests 94 Through 99:

Tests 100 Through 104:

Symptom:
PUMP MOTOR CIRCUIT NOT WORKING PROPERLY

When Monitored:
Ignition on. The CAB monitors the pump at all times. The CAB commands the pump on at 12 mph to check its operation, provided the brake is not applied. If the driver has their foot on the brake, the test will run at 24 mph.

Set Condition:
The DTC is stored when the CAB detects that the pump cannot run when commanded on OR is running erroneously. If the pump is off at the end of an ABS stop when the pump is commanded on, or if the pump is on when the pump is commanded off, the DTC is set.

Possible Causes
ABS FUSE DEFECTIVE
CAB CONNECTOR OBSERVABLE DEFECT
CAB DEFECTIVE (1)
CAB DEFECTIVE (2)
CAB FUSED B+ CIRCUIT OPEN
CAB GROUND CIRCUITS OPEN
PUMP MOTOR TERMINAL CONNECTOR OBSERVABLE DEFECT
PUMP MOTOR WIRING HARNESS OBSERVABLY DEFECT
PUMP MOTOR MCU DEFECTIVE