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Engine-Codes – Generic – U0134

U0134 Code - Lost Communication With Power Steering Control Module Rear

Quick Answer

The U0134 code indicates that the vehicle's power steering control module at the rear is experiencing a communication error. Common causes include Faulty wiring or connectors leading to the power steering control module rear, A malfunctioning power steering control module, Software glitches or communication errors within the vehicle's network. 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
U0134 indicates Lost Communication With Power Steering Control Module Rear.
Common causes
Common causes include Faulty wiring or connectors leading to the power steering control module rear, A malfunctioning power steering control module, Software glitches or communication errors within the vehicle's network.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code U0134 Description

The U0134 code indicates that the vehicle's power steering control module at the rear is experiencing a communication error. This module is responsible for controlling the power steering system, which assists the driver in steering the vehicle. When communication is lost with this module, it can lead to a variety of issues that affect the vehicle's performance and safety.

OBDII Code U0134 - Lost Communication With Power Steering Control Module Rear
U0134 Code - Lost Communication With Power Steering Control Module Rear

Common Causes of U0134

  1. Faulty wiring or connectors leading to the power steering control module rear
  2. A malfunctioning power steering control module
  3. Software glitches or communication errors within the vehicle's network
  4. Issues with the vehicle's main computer system
  5. Physical damage to the power steering control module rear

Symptoms of U0134

  1. Stiff or unresponsive steering
  2. Steering wheel vibration or shaking
  3. Power steering warning light illuminated on the dashboard
  4. Difficulty steering at lower speeds or while parking

How to Fix U0134

  1. Diagnose the specific cause of the communication error using a diagnostic scanner to pinpoint the issue accurately.
  2. Inspect the wiring and connectors leading to the power steering control module rear for any signs of damage or corrosion.
  3. Test the power steering control module for functionality and replace it if necessary.
  4. Update the software in the control module to ensure proper communication with the vehicle's network.
  5. Clear the error code and reset the system to see if the issue has been resolved.

Cost to Fix U0134

The cost of repairing a lost communication issue with the power steering control module rear can vary depending on the specific cause of the problem and the extent of the repairs needed. On average, this type of repair can range from $200 to $600, including parts and labor. However, it is important to note that labor rates at auto repair shops can vary widely, so it is recommended to obtain a few quotes from different shops to get a more accurate estimate. Additionally, the cost may be higher if the power steering control module needs to be replaced or if there are other underlying issues that need to be addressed.

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Code U0134 Information for Specific Makes

  • U0134 Buick — Lost Communication With Rear Power Steering Control Module
  • U0134 Cadillac — Lost Communication With Rear Power Steering Control Module
  • U0134 Chevrolet — Lost Communication With Rear Power Steering Control Module
  • U0134 GMC — Lost Communication With Rear Power Steering Control Module
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 U0134 Code

1. What are the common symptoms of OBDII code U0134 (Lost Communication With Power Steering Control Module Rear)?

- Common symptoms include a loss of power steering assistance, illuminated power steering warning light on the dashboard, and potential difficulty steering the vehicle.

2. What are some possible causes of OBDII code U0134?

- Possible causes include a faulty power steering control module, damaged wiring or connectors connecting the power steering module, a blown fuse related to the power steering system, or a communication error within the vehicle's network.

3. How can I diagnose OBDII code U0134?

- Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific trouble codes stored in the vehicle's computer. Additionally, a thorough inspection of the power steering control module, wiring, and connectors may be necessary.

4. Is it safe to drive with OBDII code U0134 active?

- It is not recommended to drive with this code active, as it can lead to a loss of power steering assistance, making steering more difficult and potentially unsafe.

5. How can I repair OBDII code U0134?

- Repairing this code may involve troubleshooting and repairing any damaged wiring or connectors, replacing a faulty power steering control module, or addressing any communication issues within the vehicle's network.

6. Can a DIY enthusiast fix OBDII code U0134 at home?

- While some basic troubleshooting steps can be performed at home, diagnosing and repairing this code may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

7. Are there any preventative maintenance tips to avoid OBDII code U0134?

- Regularly inspecting the power steering system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the occurrence of this code.

8. How common is OBDII code U0134 in vehicles?

- The occurrence of this specific code can vary depending on the vehicle make and model. It is more common in vehicles equipped with electronic power steering systems.

9. Is OBDII code U0134 a serious issue that requires immediate attention?

- Yes, this code should be addressed promptly to ensure the safe operation of the power steering system and prevent potential steering difficulties while driving.

10. Can OBDII code U0134 be intermittent or permanent?

- This code can be either intermittent or permanent, depending on the underlying cause. Intermittent codes may come and go, while permanent codes persist until the issue is resolved.

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