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C1554 TOYOTA

C1554 TOYOTA - Power Steering Power Supply Relay Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

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

Tech notes

In some vehicles, it is necessary to replace the Power Steering ECU when there is a problem in the power relay because each relay is built into the Power Steering ECU.

Possible symptoms

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

C1554 Toyota 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.
OBDII Code C1554 Toyota - Power Steering Power Supply Relay Failure - AutoCodes.com

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C1554 TOYOTA Comments

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