Excessive Dump Time

SYMPTOM
EXCESSIVE DUMP TIME

WHEN MONITORED
Ignition on.

SET CONDITION
Antilock mode is active. Wheel speed is below 4 mph (RWAL) and above 4 mph (ABS). Vehicle is in two wheel drive mode. Wheel speed history ruling out any unusual events during the proceeding 15 seconds (RWAL) and 9 seconds (ABS). Need for more than maximum allowable dump cycles.

POSSIBLE CAUSES
- Brake system mechanical concern
- Tone wheel concern
- Wheel speed wiring harness concern
- HCU internal concern