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C1552 Code - Power Source circuit Malfunction Inside Power Steering ECU

- Code Popularity: 3,286 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C1552?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Power Steering ECU Fuse
  • Faulty Power Steering ECU
  • Power Steering ECU harness is open or shorted
  • Power Steering ECU circuit poor electrical connection
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How to Fix the DTC C1552?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code 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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1552 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code C1552 Description

When a problem occurs in the power steering system, the power source relay circuit is shut off to stop the power assist. The Power Steering ECU monitors the Power Supply Voltage. The Power Steering ECU sets the OBDII code when the Power Supply Voltage is not to factory specifications.

OBDII Code C1552 - Power Source circuit Malfunction Inside Power Steering ECU - AutoCodes.com
C1552 Code - Power Source circuit Malfunction Inside Power Steering ECU

Need More Information on the Code?

Need more information on how to fix the C1552 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • C1552 Lexus Power Source circuit Malfunction Inside Power Steering ECU  📷
  • C1552 Scion Power Source circuit Malfunction Inside Power Steering ECU  📷
  • C1552 Toyota Power Source circuit Malfunction Inside Power Steering ECU  📷

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Code C1552 comments

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