AutoCodes – Generic – C1039

C1039 Code - Yaw Rate/G Sensor Assembly Internal Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Yaw Rate/G Sensor. Common causes include Faulty Yaw Rate/G Sensor, Yaw Rate/G Sensor harness is open or shorted, Yaw Rate/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: C1039 indicates Yaw Rate/G Sensor Assembly Internal Failure.
Common causes: Common causes include Faulty Yaw Rate/G Sensor, Yaw Rate/G Sensor harness is open or shorted, Yaw Rate/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.

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Code Popularity 3,900

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 Aug 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1039 Description

The Anti-Lock Brake System (ABS) Module monitors the Yaw Rate/G Sensor. The ABS Module sets the OBDII code when the Yaw Rate/G Sensor is not to factory specifications.

OBDII Code C1039 - Yaw Rate/G Sensor Assembly Internal Failure - AutoCodes.com — C1039 Code - Yaw Rate/G Sensor Assembly Internal Failure

What does this mean?

What are the Possible Causes of the DTC C1039?

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

How to Fix the DTC C1039?

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 C1039 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 C1039 code?

Need more information on how to fix the C1039 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1039 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1039 Suzuki — Yaw Rate/G Sensor Assembly Internal Failure

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 C1039 Code

1. What are the common symptoms of OBDII code C1039 (Yaw Rate/G Sensor Assembly Internal Failure)?

- Common symptoms of this code may include stability control warning lights on the dashboard, loss of traction control functionality, and potential steering or handling issues.

2. What can cause the Yaw Rate/G Sensor Assembly Internal Failure code (C1039) to trigger?

- The code C1039 can be triggered by internal malfunctions within the yaw rate sensor or the G sensor, which are components responsible for measuring the vehicle's lateral and vertical movement.

3. How serious is the Yaw Rate/G Sensor Assembly Internal Failure code (C1039) issue?

- This issue can affect the vehicle's stability control system, potentially compromising the handling and safety of the vehicle, especially during abrupt maneuvers or adverse road conditions.

4. Can OBDII code C1039 (Yaw Rate/G Sensor Assembly Internal Failure) be fixed without professional help?

- Repairing or replacing the yaw rate sensor or G sensor typically requires specialized diagnostic equipment and technical expertise, so it is advisable to seek professional assistance for this issue.

5. Are there any DIY tips for troubleshooting OBDII code C1039 (Yaw Rate/G Sensor Assembly Internal Failure)?

- DIY troubleshooting tips for this code may include checking for loose connections, ensuring the sensors are properly mounted, and inspecting for any visible damage or corrosion on the sensor components.

6. How can I prevent the Yaw Rate/G Sensor Assembly Internal Failure code (C1039) from recurring?

- Regular maintenance, avoiding rough driving conditions, and promptly addressing any warning lights related to the stability control system can help prevent the recurrence of this code.

7. What are the potential risks of ignoring OBDII code C1039 (Yaw Rate/G Sensor Assembly Internal Failure)?

- Ignoring this code can lead to compromised vehicle stability and control, increasing the risk of accidents, especially in challenging driving situations where traction control and stability systems are crucial.

8. Is it safe to drive my vehicle with the Yaw Rate/G Sensor Assembly Internal Failure code (C1039) active?

- It is not recommended to drive the vehicle with this code active, as it may compromise the stability and control of the vehicle, posing a safety risk to both the driver and other road users.

9. How long does it typically take to repair OBDII code C1039 (Yaw Rate/G Sensor Assembly Internal Failure)?

- The repair time for this code can vary depending on the extent of the issue and the availability of replacement parts, but it is advisable to consult a professional technician for an accurate estimate.

10. Can resetting the OBDII system clear the Yaw Rate/G Sensor Assembly Internal Failure code (C1039)?

- While resetting the OBDII system may temporarily clear the code, it is essential to diagnose and address the underlying issue causing the fault to prevent the code from reoccurring.