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C1156 Infiniti Code - Speed Wheel Sensor Communication Circuit

Quick Answer

The C1156 Infiniti code indicates a problem with the communication circuit of the speed wheel sensor in the vehicle. Common causes include Faulty speed wheel sensor, Damaged wiring or connectors in the communication circuit, Corrosion or debris affecting sensor performance. 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
C1156 Infiniti indicates Speed Wheel Sensor Communication Circuit.
Common causes
Common causes include Faulty speed wheel sensor, Damaged wiring or connectors in the communication circuit, Corrosion or debris affecting sensor performance.
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 17, 2024
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Code C1156 Infiniti Description

The C1156 Infiniti code indicates a problem with the communication circuit of the speed wheel sensor in the vehicle. The speed wheel sensor is a crucial component of the anti-lock braking system (ABS) and traction control system. It is responsible for monitoring the speed of each wheel and sending this information to the vehicle's electronic control module (ECM). This data is essential for the ECM to make decisions regarding braking and traction control to ensure the vehicle's stability and safety.

OBDII Code C1156 Infiniti - Speed Wheel Sensor Communication Circuit
C1156 Infiniti Code - Speed Wheel Sensor Communication Circuit

Common Causes of C1156 Infiniti

  1. Faulty speed wheel sensor
  2. Damaged wiring or connectors in the communication circuit
  3. Corrosion or debris affecting sensor performance
  4. ECM software issues
  5. Electrical interference or short circuits

Symptoms of C1156 Infiniti

  1. ABS warning light illuminated on the dashboard
  2. Traction control system malfunction
  3. Loss of stability during braking or cornering
  4. Inaccurate speedometer readings
  5. Grinding or clicking noises from the wheels

How to Fix C1156 Infiniti

  1. Diagnose the specific cause of the communication circuit issue using a diagnostic scanner.
  2. Inspect the speed wheel sensor, wiring, and connectors for damage or corrosion.
  3. Replace the faulty speed wheel sensor if necessary.
  4. Repair or replace damaged wiring or connectors.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue is resolved.

Cost to Fix C1156 Infiniti

The typical repair costs for addressing a C1156 Infiniti code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the cost of replacing a speed wheel sensor and addressing related wiring issues can range from $200 to $500. It is important to consider additional costs for diagnostic time and labor rates, which can vary between $80 and $150 per hour. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. It is recommended to obtain a detailed estimate from a trusted auto repair shop to determine the exact cost for resolving this issue.

When is the Code Detected?

When steering angle sensor is not transmitting Control Area Network (CAN) communication signal to the ABS Actuator and Electric Unit (Control Unit).

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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 C1156 Infiniti Code

1. What are common symptoms of OBDII code C1156 in an Infiniti related to the Speed Wheel Sensor Communication Circuit?

The common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential loss of ABS and traction control functions.

2. What are the possible causes of OBDII code C1156 in an Infiniti?

The code C1156 typically indicates a communication issue within the speed wheel sensor circuit, which can be caused by a faulty wheel speed sensor, damaged wiring harness, or a problem with the ABS control module.

3. How can I diagnose the OBDII code C1156 in my Infiniti?

Diagnosing OBDII code C1156 involves using a diagnostic scanner to retrieve the code, inspecting the wheel speed sensors and their wiring for any visible damage, and testing the components using a multimeter for proper functionality.

4. Can I continue driving my Infiniti with OBDII code C1156 present?

It is not recommended to continue driving your Infiniti with OBDII code C1156, as it indicates a potential issue with the ABS and traction control systems, which are crucial for vehicle stability and safety.

5. How can I repair OBDII code C1156 in my Infiniti?

Repairing OBDII code C1156 may involve replacing a faulty wheel speed sensor, repairing damaged wiring, or addressing any issues with the ABS control module. It is recommended to seek assistance from a qualified mechanic for proper diagnosis and repair.

6. Can a DIY enthusiast fix OBDII code C1156 in an Infiniti?

While some experienced DIY enthusiasts may be able to diagnose and repair OBDII code C1156, it is recommended to have a professional mechanic handle the repair due to the intricate nature of ABS and traction control systems.

7. How much does it cost to repair OBDII code C1156 in an Infiniti?

The cost of repairing OBDII code C1156 can vary depending on the underlying cause of the issue, the cost of parts needed for repair, and the labor rates of the repair shop. It is advised to obtain quotes from different mechanics for an accurate estimate.

8. Is it possible to reset OBDII code C1156 in an Infiniti without fixing the underlying issue?

Resetting the OBDII code C1156 without addressing the underlying issue will only temporarily turn off the warning light. The issue will persist, potentially compromising the safety and performance of the vehicle.

9. Can extreme weather conditions trigger OBDII code C1156 in an Infiniti?

Extreme weather conditions, such as heavy rain, snow, or extreme temperatures, can potentially affect the wheel speed sensors and their communication circuit, leading to the triggering of OBDII code C1156 in an Infiniti.

10. How can I prevent OBDII code C1156 from occurring in my Infiniti in the future?

To prevent OBDII code C1156 in the future, it is essential to perform regular maintenance on the ABS and traction control systems, inspect the wheel speed sensors for any signs of damage, and address any issues promptly to avoid further complications.

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