Normal Operation

The PSCM must be programmed with the correct vehicle information in order to operate correctly. Refer to MODULE CONFIGURATION SYSTEM for additional module configuration information.

• AA1: CHECK VEHICLE HISTORY 

  Check the vehicle history for recent service actions related to the PSCM or steering gear.

  Have there been any recent service actions related to the PSCM or steering gear? 

  Yes	No
  REPEAT the PMI procedure as directed by the diagnostic scan tool or CONFIGURE the PSCM using vehicles as-built data.	Go to AA2.

• AA2: VERIFY THE PSCM DTC 

  Clear the PSCM DTCs.

  Ignition OFF.

  Wait at least 90 seconds for the modules to completely shut off.

  Ignition ON, engine OFF.

  Press Read Vehicle Information button to retrieve DTCs from the vehicle.

  NOTE: DTCs may be displayed from previous diagnositc actions.

  Does the DTC return? 

  Yes	No
  Go to AA3.	The condition causing the DTC is not present at this time.

• AA3: OBTAIN PSCM RVC 

  Obtain the PSCM RVC.

  INSTALL a new PSCM. REFER to appropriate information in this service information or POWER STEERING SYSTEM . ORDER a replacement PSCM and INCLUDE the RVC.