C1554 – Power Steering Power Supply Relay Failure

C1554 Possible Symptoms

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

C1554 Possible Causes

Faulty Power Steering ECU,Power Steering ECU harness is open or shorted,Power Steering ECU circuit poor electrical connection

C1554 Description

If the Power Steering ECU detects this Diagnostic Trouble Code (DTC), it shuts off the motor relay circuit (built into the Power Steering ECU) and stops power assist.