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 gear motor and is not serviceable.

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.

TEST

Steps 1-2:

Steps 3-5: