AutoCodesGeneric – C1146

C1146 Code - Side G Sensor Circuit

Quick Answer

The Yaw Rate/Side/Decel G sensor detects the Yaw Rate/Side/Decel G affecting the vehicle and transmits the data to the Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) as an analog voltage signal. Common causes include Faulty Yaw Rate/Side G Sensor, Yaw Rate/Side G Sensor harness is open or shorted, Yaw Rate/Side G 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
C1146 indicates Side G Sensor Circuit.
Common causes
Common causes include Faulty Yaw Rate/Side G Sensor, Yaw Rate/Side G Sensor harness is open or shorted, Yaw Rate/Side G 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 19,367
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 17, 2020
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Code C1146 Description

The Yaw Rate/Side/Decel G sensor detects the Yaw Rate/Side/Decel G affecting the vehicle and transmits the data to the Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) as an analog voltage signal. The ABS Actuator And Electric Unit monitors the Side G Sensor. The ABS Module sets the OBDII code when the Side G Sensor is not to factory specifications.
OBDII Code C1146 - Side G Sensor Circuit - AutoCodes.com
C1146 Code - Side G Sensor Circuit

What are the Possible Causes of the DTC C1146?

  • Faulty Yaw Rate/Side G Sensor
  • Yaw Rate/Side G Sensor harness is open or shorted
  • Yaw Rate/Side G Sensor circuit poor electrical connection

How to Fix the DTC C1146?

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 C1146 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 C1146 code?

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Need Help with the Code?

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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 C1146 Code

1. What does the OBDII code C1146 mean?

C1146 indicates an issue with the Side G Sensor Circuit, which monitors lateral acceleration to assist with stability and traction control systems.

2. What are common symptoms of the C1146 code?

Symptoms include the ABS light or traction control light illuminating, reduced stability control functionality, and potential loss of traction during sharp turns.

3. What causes the C1146 code to appear?

Common causes include a faulty side G sensor, damaged wiring or connectors in the sensor circuit, or issues with the ABS control module.

4. Can I drive my car with a C1146 code?

While the vehicle may still be drivable, the stability and traction control systems may not function properly, increasing the risk of losing control in slippery or sharp-turn situations.

5. How is the C1146 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the wiring and connectors to the side G sensor, and test the sensor itself for proper operation.

6. How do you fix a C1146 code?

Repairs may involve replacing the side G sensor, repairing or replacing damaged wiring, or recalibrating the sensor using a diagnostic tool.

7. Does the C1146 code require sensor recalibration?

Yes, after replacing or repairing the side G sensor, recalibration with a diagnostic tool is often necessary to ensure proper operation.

8. How much does it cost to fix a C1146 code?

The repair cost varies depending on the vehicle and the specific issue, but replacing a side G sensor typically costs between $150 and $300, including parts and labor.

9. Can a low battery trigger the C1146 code?

Yes, a weak or low battery can cause voltage drops that might trigger sensor-related codes, including C1146.

10. How can I prevent the C1146 code from occurring again?

Regularly inspect and maintain the vehicle’s wiring, connectors, and sensors, and ensure the battery and charging system are in good condition.

Discuss the causes and fixes for C1146 OBDII Code

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