Left Front Isolation Solenoid Open

SYMPTOM
LEFT FRONT ISOLATION SOLENOID OPEN

TEST NOTE
This symptom is diagnosed using the test LEFT FRONT DUMP SOLENOID OPEN.

WHEN MONITORED
Ignition on.

SET CONDITION
When there is low logic feedback voltage from the solenoid when it is expected to be high (solenoid not energized).

POSSIBLE CAUSES:
- Intermittent DTC
- Open fused B(+) and fused ignition switch output (RUN)
- Open ground circuits
- CAB - internal concern