Diagnostic Aids

During the ignition cycle when the DTC was set the following will happen: steering assist will be reduced, the PSCM will transmit an invalid steering angle message over the HS-CAN bus and the module will also send a message to the IPC to display the SERVICE POWER STEERING message in the message center. During the very next ignition cycle after the DTC was set the following will happen: the PSCM will remove steering assist and enter into a manual mode, the module will transmit an invalid steering angle message over the HS-CAN bus and the module will also send a message to the IPC to display the SERVICE POWER STEERING NOW message in the message center.