FixVault

Possible Causes

Possible Causes 
(K66) P/S SWITCH SIGNAL CIRCUIT OPEN
(K66) P/S SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
(Z902) GROUND CIRCUIT OPEN
POWER STEERING PRESSURE SWITCH
PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to DTCS P150D TO UO168, PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .