AutoCodes – Nissan – U0126 Nissan

U0126 Nissan Code - Lost Communication With Steering Angle Sensor Module

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Steering Angle Sensor Module, Steering Angle Sensor Module harness is open or shorted, Steering Angle Sensor Module 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: U0126 Nissan indicates Lost Communication With Steering Angle Sensor Module.
Common causes: Common causes include Faulty Steering Angle Sensor Module, Steering Angle Sensor Module harness is open or shorted, Steering Angle Sensor Module 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 1,854

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0126 Nissan Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. CAN bus uses two dedicated wires for communication. The wires are called CAN high and CAN low. When the CAN bus is in idle mode, both lines carry 2.5V. When data bits are being transmitted, the CAN high line goes to 3.75V, and the CAN low drops to 1.25V, thereby generating a 2.5V differential between the lines. Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Steering Angle Sensor Module has not been received.

OBDII Code U0126 Nissan - Lost Communication With Steering Angle Sensor Module - AutoCodes.com — U0126 Nissan Code - Lost Communication With Steering Angle Sensor Module

What does this mean?

What are the Possible Causes of the DTC U0126 Nissan?

Faulty Steering Angle Sensor Module
Steering Angle Sensor Module harness is open or shorted
Steering Angle Sensor Module circuit poor electrical connection

How to Fix the DTC U0126 Nissan?

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 U0126 Nissan 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 U0126 Nissan code?

Need more information on how to fix the U0126 Nissan code? Get Access to Factory Service Manuals

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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 U0126 Nissan Code

1. What are the common symptoms of OBDII code U0126 in a Nissan related to a lost communication with the steering angle sensor module?

- Common symptoms include loss of power steering assistance, traction control system malfunctions, and illumination of the ABS warning light.

2. What are some potential causes of the U0126 code on a Nissan indicating a communication failure with the steering angle sensor module?

- Possible causes include a faulty steering angle sensor module, damaged wiring or connectors, a blown fuse, or a software glitch.

3. How can I diagnose the U0126 code in my Nissan related to the steering angle sensor module communication issue?

- Diagnosis involves using a professional OBDII scanner to retrieve the specific trouble code, checking the wiring and connectors for damage, and testing the sensor module for proper functionality.

4. Is it safe to drive my Nissan with the U0126 code indicating a lost communication with the steering angle sensor module?

- It is not recommended to drive the vehicle with this code present, as it can affect the operation of critical safety systems like ABS and traction control.

5. Can I reset the U0126 code in my Nissan on my own, or do I need to visit a mechanic?

- You can attempt to clear the code with an OBDII scanner, but it is important to address the underlying issue causing the communication error to prevent the code from reappearing.

6. How much does it typically cost to repair the U0126 code in a Nissan caused by a lost communication with the steering angle sensor module?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the steering angle sensor module, repairing wiring, or addressing other related components.

7. Are there any DIY tips for resolving the U0126 code related to the steering angle sensor module communication issue in a Nissan?

- DIY tips include checking and cleaning the wiring connectors, ensuring proper fuse connections, and following manufacturer-specific diagnostic procedures outlined in the service manual.

8. Will the U0126 code in my Nissan reset on its own after the communication issue with the steering angle sensor module is resolved?

- In some cases, the code may reset after the issue is fixed and the vehicle is driven for a certain number of cycles without detecting the problem. However, it is recommended to clear the code manually with an OBDII scanner.

9. Can extreme weather conditions or rough road conditions trigger the U0126 code in a Nissan due to a lost communication with the steering angle sensor module?

- While rare, extreme weather conditions or rough road conditions can potentially cause temporary communication errors with the steering angle sensor module, triggering the U0126 code.

10. Is the steering angle sensor module in a Nissan a common failure point that leads to the U0126 code indicating lost communication?

- While the steering angle sensor module can fail and cause communication issues, other factors such as wiring faults or software glitches can also lead to the U0126 trouble code.