AutoCodes – Generic – C1533

C1533 Code - Power Steering Temperature Sensor Circuit is Low or High

Quick Answer

The Power Steering ECU monitors itself for proper operation. Common causes include Faulty Power Steering ECU, Power Steering ECU harness is open or shorted, Power Steering ECU circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C1533 indicates Power Steering Temperature Sensor Circuit is Low or High.
Common causes
Common causes include Faulty Power Steering ECU, Power Steering ECU harness is open or shorted, Power Steering ECU circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 3,241
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 31, 2023
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Code C1533 Description

The Power Steering ECU monitors itself for proper operation. The Power Steering ECU sets the Diagnostic Trouble Code (DTC) when it detects an internal malfunction. If the Power Steering ECU Assembly stores this DTC, it will shut off the motor relay circuit (built into the Power Steering ECU Assembly) and stop power assist. However, power assist continues if this DTC is output.
OBDII Code C1533 - Power Steering Temperature Sensor Circuit is Low or High - AutoCodes.com
C1533 Code - Power Steering Temperature Sensor Circuit is Low or High

What are the Possible Causes of the DTC C1533?

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

How to Fix the DTC C1533?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1533 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1533 code?

Need more information on how to fix the C1533 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1533 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • C1533 Lexus β€” Power Steering Temperature Sensor Circuit is Low or High
  • C1533 Scion β€” Power Steering Temperature Sensor Circuit is Low or High
  • C1533 Toyota β€” Power Steering Temperature Sensor Circuit is Low or High
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1533 Code

1. What are common symptoms of OBDII code C1533 (Power Steering Temperature Sensor Circuit is Low or High)?

- Common symptoms include difficulty steering, loss of power steering assistance, illuminated power steering warning light on the dashboard, and unusual noises coming from the power steering system.

2. What are the possible causes of OBDII code C1533?

- The code C1533 can be triggered by issues such as a faulty power steering temperature sensor, damaged wiring or connectors in the sensor circuit, or a failing power steering control module.

3. How can I diagnose the cause of OBDII code C1533?

- To diagnose the cause of code C1533, you can use an OBDII scanner to read the code and perform a visual inspection of the power steering temperature sensor, wiring, and connectors. You may also need to perform electrical tests to pinpoint the exact issue.

4. What are some repair tips for fixing OBDII code C1533?

- Repair tips for resolving code C1533 may include replacing the power steering temperature sensor, repairing or replacing damaged wiring or connectors in the sensor circuit, or reprogramming the power steering control module if necessary.

5. Can I continue driving my vehicle with OBDII code C1533?

- It is not recommended to continue driving your vehicle with code C1533, as it can lead to unsafe driving conditions and potential damage to the power steering system. It is best to address the issue promptly to ensure safe operation of your vehicle.

6. How much does it typically cost to repair OBDII code C1533?

- The cost of repairing code C1533 can vary depending on the underlying cause of the issue, the extent of the repairs needed, and the labor rates in your area. It is advisable to consult with a professional mechanic for an accurate estimate.

7. Can a DIY enthusiast fix OBDII code C1533 at home?

- Depending on your level of automotive knowledge and experience, it may be possible to address code C1533 at home. However, diagnosing and repairing electrical issues like this can be complex, so it is recommended to seek guidance from a professional if you are unsure.

8. Is OBDII code C1533 a common issue in certain vehicle makes and models?

- Code C1533 related to the power steering temperature sensor circuit can be more common in vehicles equipped with electronic power steering systems. It is advisable to check for any manufacturer recalls or technical service bulletins related to this code for your specific vehicle.

9. How urgent is it to address OBDII code C1533?

- It is important to address code C1533 in a timely manner to prevent potential safety hazards and further damage to the power steering system. Ignoring the issue can lead to loss of power steering assistance and compromise the vehicle's handling.

10. Can extreme weather conditions affect the occurrence of OBDII code C1533?

- Extreme weather conditions, such as excessive heat or cold, can potentially impact the performance of the power steering temperature sensor and trigger code C1533. It is advisable to monitor the sensor's operation during extreme weather and address any issues promptly.

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