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Rear Isolation Solenoid Open





Symptom:
REAR ISOLATION SOLENOID OPEN - EBC 2

When Monitored and Set Condition:
REAR ISOLATION SOLENOID OPEN - EBC 2

When Monitored: ABS power relay closed. Valve command for rear isolation solenoid not present (not trying to turn the valve on).

Set Condition: Low feedback voltage from the low side of the solenoid and the when monitored conditions have been satisfied for over 40 consecutive controller checks spaced 5 milliseconds (ms) apart.

POSSIBLE CAUSES
HCU 4-WAY HARNESS OR CONNECTOR DAMAGE
REAR ISOLATION SOLENOID OPEN
CAB - INTERNAL FAULT