P1499

Test 1 - 2:

Test 3 - 6:

SYMPTOM
P1499-HYDRAULIC FAN SOLENOID CIRCUIT

WHEN MONITORED
Ignition on and engine running.

Set Condition
An open or shorted condition in the Hydraulic Fan Solenoid control circuit is detected by the Powertrain Control Module.

POSSIBLE CAUSES
- Radiator fan INOP
- (A142) fused ASD relay output circuit
- (K173) cooling fan control circuit open
- (K173) cooling fan control circuit shorted to ground
- Hydraulic fan solenoid
- PCM