AutoCodesChevrolet – C0249 Chevrolet

C0249 Chevrolet Code - Left Normal Force Error

Quick Answer

The Electronic Brake Control Module (EBCM) receives invalid information from other modules through the General Motor Local Area Network (GMLAN) serial data bus. Common causes include This is an information code only, check other codes. 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
C0249 Chevrolet indicates Left Normal Force Error.
Common causes
Common causes include This is an information code only, check other codes.
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 1,102
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 04, 2020
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Code C0249 Chevrolet Description

The Electronic Brake Control Module (EBCM) receives invalid information from other modules through the General Motor Local Area Network (GMLAN) serial data bus. The EBCM will set DTC based on this information. This Diagnostic Trouble Code (DTC) is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS.
OBDII Code C0249 Chevrolet - Left Normal Force Error - AutoCodes.com
C0249 Chevrolet Code - Left Normal Force Error

What are the Possible Causes of the DTC C0249 Chevrolet?

  • This is an information code only, check other codes.

How to Fix the DTC C0249 Chevrolet?

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 C0249 Chevrolet 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.

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Need Help with the 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 C0249 Chevrolet Code

1. What does the OBDII code C0249 mean on a Chevrolet?

C0249 indicates a "Left Normal Force Error," typically related to the vehicle's electronic stability control or anti-lock braking system (ABS).

2. What are the common symptoms of code C0249 in a Chevrolet?

Symptoms may include the ABS or traction control warning light illuminating, reduced braking performance, or unresponsive stability control features.

3. What causes the C0249 code to appear?

This code is often caused by a faulty wheel speed sensor, damaged wiring or connectors, a malfunctioning ABS module, or issues with the suspension affecting load distribution.

4. Can I drive my Chevrolet with the C0249 code active?

While the vehicle may still be drivable, safety systems like ABS and traction control may not function properly, increasing the risk of accidents in slippery or emergency situations.

5. How do I diagnose the C0249 code on my Chevrolet?

Diagnose it by using an OBDII scanner to confirm the code, visually inspecting the left wheel speed sensor and wiring, and checking for fault signals in the ABS module.

6. What repairs can fix the C0249 code?

Repairs might include replacing the left wheel speed sensor, fixing or replacing damaged wiring, or recalibrating or replacing the ABS module.

7. How much does it cost to fix the C0249 code on a Chevrolet?

The repair cost can vary widely, from $50–$150 for a wheel speed sensor replacement to $500–$1000 if the ABS module needs replacement.

8. Can a faulty suspension component cause the C0249 code?

Yes, issues with the suspension that affect weight distribution could potentially trigger this code if they interfere with normal force calculations.

9. Is it necessary to clear the C0249 code after repairs?

Yes, after completing repairs, use an OBDII scanner to clear the code and ensure it does not return.

10. Can a low battery cause the C0249 code in a Chevrolet?

A weak or low battery can sometimes cause system malfunctions, but it’s less likely to be the root cause of this specific code. Always check the battery and charging system as part of diagnostics.

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