AutoCodes – Lexus – C1532 Lexus

C1532 Lexus Code - Power Steering ECU Malfunction

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
C1532 Lexus indicates Power Steering ECU Malfunction.
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 12,255
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 C1532 Lexus 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 C1532 Lexus - Power Steering ECU Malfunction - AutoCodes.com
C1532 Lexus Code - Power Steering ECU Malfunction

What are the Possible Causes of the DTC C1532 Lexus?

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

How to Fix the DTC C1532 Lexus?

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 C1532 Lexus 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 C1532 Lexus code?

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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 C1532 Lexus Code

1. What does the OBDII code C1532 mean on a Lexus?

C1532 indicates a Power Steering ECU Malfunction, signaling an issue with the power steering electronic control unit.

2. What are the symptoms of code C1532 in a Lexus?

Common symptoms include loss of power steering assist, a stiff steering wheel, and the illuminated power steering warning light on the dashboard.

3. What causes the C1532 code in a Lexus?

Causes can include a faulty Power Steering ECU, damaged wiring or connectors, low power steering fluid, or a short circuit in the system.

4. Can I drive my Lexus with the C1532 code active?

Driving with this code is possible but not recommended, as the steering may become difficult, especially at low speeds, increasing the risk of an accident.

5. How is the C1532 code diagnosed?

A mechanic will check the Power Steering ECU for faults, inspect wiring and connectors for damage, and verify the system voltage and fluid levels.

6. How do you fix the C1532 code on a Lexus?

Repairs may involve replacing the Power Steering ECU, repairing damaged wiring, or addressing any electrical issues in the power steering system.

7. Could a dead battery cause the C1532 code?

Yes, a weak or dead battery can trigger this code by disrupting the electrical supply to the Power Steering ECU.

8. How much does it cost to fix the C1532 code?

Repair costs vary but can range from $200 to $1,500 depending on whether the ECU needs replacement or if minor repairs are required.

9. Can I reset the C1532 code without fixing it?

Clearing the code without addressing the root cause may temporarily turn off the warning light, but the issue will likely return.

10. Does the C1532 code always mean the Power Steering ECU is bad?

No, the issue could also stem from wiring problems, software glitches, or other related components, so a thorough diagnosis is essential.

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