Left Front Isolation Solenoid Shorted
SYMPTOM
LEFT FRONT ISOLATION SOLENOID SHORTED
TEST NOTE
This symptom is diagnosed using the test LEFT FRONT DUMP SOLENOID OPEN.
WHEN MONITORED
Ignition on.
SET CONDITION
When there is high logic feedback voltage from the solenoid when it is supposed to be low (solenoid energized).
POSSIBLE CAUSES:
- Intermittent DTC
- Open fused B(+) and fused ignition switch output (RUN)
- Open ground circuits
- CAB - internal concern