C0533

DTC C0533

Circuit Description
The rear wheel steering control module controls a normally closed relay that shorts the motor phase leads. The relay is part of the rear wheel steering actuator motor assembly and cannot be serviced separately from the motor assembly. The motor assembly can be serviced separately from the rear wheel steering actuator.

Conditions for Running the DTC
^ The ignition is ON.
^ The rear wheel steering control module is in START-UP/INITIALIZATION.

Conditions for Setting the DTC
^ The DTC is set when the shorting relay is stuck open, commanded vs. actual.
^ The DTC is set when the shorting relay is stuck closed, commanded vs. actual.

Action Taken When the DTC Sets
^ The Service 4 Wheel Steer indicator in IPC will be displayed.
^ The code is displayed on the scan tool as DTC C0533.
^ The output command to the motor is zeroed. The motor drive circuits are disabled using commands to open the power relay, and to close the motor shorting relay.
^ The rear wheels will be returned to the default centered position.

Conditions for Clearing the DTC
^ The conditions for setting the DTC are not currently present.
^ The rear wheel steering control module receives a clear code command from the scan tool.
^ The DTC clears after 100 malfunction free ignition cycles.

Steps 1 - 5:

DTC C0533