AutoCodes – Infiniti – C1156 Infiniti

C1156 Infiniti Code - Speed Wheel Sensor Communication Circuit

Quick Answer

The steering angle sensor is connected to the Anti-Lock Brake System (ABS) Actuator and Electric Unit (Control Unit) in addition to Control Area Network (CAN) lines. Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor 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
C1156 Infiniti indicates Speed Wheel Sensor Communication Circuit.
Common causes
Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 14,444
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 18, 2020
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Code C1156 Infiniti Description

The steering angle sensor is connected to the Anti-Lock Brake System (ABS) Actuator and Electric Unit (Control Unit) in addition to Control Area Network (CAN) lines. CAN is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.
OBDII Code C1156 Infiniti - Speed Wheel Sensor Communication Circuit - AutoCodes.com
C1156 Infiniti Code - Speed Wheel Sensor Communication Circuit

What are the Possible Causes of the DTC C1156 Infiniti?

  • Faulty Steering Angle Sensor
  • Steering Angle Sensor harness is open or shorted
  • Steering Angle Sensor circuit poor electrical connection
  • Faulty ABS Actuator and Electric Unit (Control Unit)
  • CAN communication line

How to Fix the DTC C1156 Infiniti?

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 C1156 Infiniti 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 C1156 Infiniti 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 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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