FixVault

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K66) P/S SIGNAL CIRCUIT SHORTED TO GROUND
(K66) P/S SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(Z988) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
POWER STEERING SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  .