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Engine-Codes – Generic – C1956

C1956 Code - Steering Angle Sensor Circuit Failure

Quick Answer

The C1956 diagnostic trouble code indicates a failure in the steering angle sensor circuit. Common causes include Damaged wiring or connectors in the steering angle sensor circuit, Malfunctioning steering angle sensor, Corrosion or contamination in the sensor or circuit. 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
C1956 indicates Steering Angle Sensor Circuit Failure.
Common causes
Common causes include Damaged wiring or connectors in the steering angle sensor circuit, Malfunctioning steering angle sensor, Corrosion or contamination in the sensor or circuit.
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 Aug 25, 2024
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Code C1956 Description

The C1956 diagnostic trouble code indicates a failure in the steering angle sensor circuit. The steering angle sensor is a critical component in modern vehicles that helps determine the position of the steering wheel and the direction in which the vehicle is turning. This information is used by various safety systems such as stability control and traction control to ensure proper vehicle handling and stability.

OBDII Code C1956 - Steering Angle Sensor Circuit Failure
C1956 Code - Steering Angle Sensor Circuit Failure

Common Causes of C1956

  1. Damaged wiring or connectors in the steering angle sensor circuit.
  2. Malfunctioning steering angle sensor.
  3. Corrosion or contamination in the sensor or circuit.
  4. Electronic control module issues.
  5. Impact or damage to the steering system.

Symptoms of C1956

  1. Traction control or stability control warning lights illuminated on the dashboard.
  2. Erratic steering behavior or incorrect steering inputs.
  3. Loss of traction or stability during driving.
  4. Vehicle veering to one side unexpectedly.
  5. Difficulty in maintaining control during sharp turns.

How to Fix C1956

  1. Diagnose the specific cause of the steering angle sensor circuit failure using a diagnostic scanner.
  2. Inspect the wiring and connectors for any damage or corrosion.
  3. Test the steering angle sensor for proper function or replace it if necessary.
  4. Clear the fault codes and reset the system.
  5. Test drive the vehicle to ensure proper operation of the steering angle sensor and related systems.

Cost to Fix C1956

The typical repair costs for addressing a steering angle sensor circuit failure can vary depending on the specific cause of the issue and the vehicle make and model. In general, parts for a steering angle sensor replacement can range from $100 to $300, while labor costs can vary from $100 to $300 or more. Overall, the total repair cost for this issue could range from $200 to $600 or more. It is recommended to consult with a trusted auto repair shop for a more accurate estimate based on your specific vehicle and location.

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Code C1956 Information for Specific Makes

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 C1956 Code

1. What are common symptoms of OBDII code C1956 (Steering Angle Sensor Circuit Failure)?

- Common symptoms include the malfunction indicator light (MIL) illuminating on the dashboard, issues with the vehicle's stability control system, and potential loss of power steering assistance.

2. What are the possible causes of OBDII code C1956?

- Possible causes of code C1956 include a faulty steering angle sensor, damaged wiring or connectors in the steering angle sensor circuit, or a problem with the steering angle sensor module.

3. How can I diagnose OBDII code C1956?

- Diagnosing code C1956 typically involves using a diagnostic scanner to retrieve the fault codes, testing the steering angle sensor and related wiring for continuity and proper voltage, and conducting a visual inspection for any visible damage.

4. Can I still drive my vehicle with OBDII code C1956?

- It is not recommended to drive your vehicle with code C1956 as it can affect the proper functioning of the stability control system and compromise your safety on the road. It is best to address the issue promptly.

5. How can I repair OBDII code C1956?

- Repairing code C1956 often involves replacing the faulty steering angle sensor, repairing or replacing damaged wiring or connectors, or reprogramming the steering angle sensor module. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

6. Will resetting the fault codes make OBDII code C1956 go away?

- Resetting the fault codes may temporarily clear the MIL light, but if the underlying issue causing code C1956 is not addressed and repaired, the code is likely to reappear once the system detects the fault again.

7. Is the steering angle sensor the same as the steering position sensor?

- The steering angle sensor and steering position sensor are different components. The steering angle sensor measures the angle of the steering wheel, while the steering position sensor typically indicates the position of the steering wheel (e.g., centered or turned).

8. Can extreme steering maneuvers cause OBDII code C1956 to trigger?

- Yes, extreme steering maneuvers or physical impacts to the steering system can potentially cause damage to the steering angle sensor or its circuit, leading to code C1956 being triggered.

9. How long does it typically take to repair OBDII code C1956?

- The repair time for code C1956 can vary depending on the exact cause of the issue, the availability of parts, and the skill level of the mechanic. In general, it may take a few hours to a day to diagnose and repair the problem.

10. Will code C1956 affect my vehicle's drivability?

- While code C1956 may not directly impact the drivability of the vehicle, it can affect the operation of the stability control system and power steering assistance, potentially compromising safety and handling. It is advisable to address the issue promptly.

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