AutoCodes – GMC – C0228 GMC

C0228 GMC Code - Left Rear ABS Channel in Release Too Long

Quick Answer

As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. Common causes include Faulty Left Front Speed Sensor, Left Front Speed Sensor harness is open or shorted, Left Front Speed 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
C0228 GMC indicates Left Rear ABS Channel in Release Too Long.
Common causes
Common causes include Faulty Left Front Speed Sensor, Left Front Speed Sensor harness is open or shorted, Left Front Speed 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 2,258
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 10, 2020
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Code C0228 GMC Description

As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake Control Module (EBCM) uses the frequency of the AC signal to calculate the wheel speed.
OBDII Code C0228 GMC - Left Rear ABS Channel in Release Too Long - AutoCodes.com
C0228 GMC Code - Left Rear ABS Channel in Release Too Long

What are the Possible Causes of the DTC C0228 GMC?

  • Faulty Left Front Speed Sensor
  • Left Front Speed Sensor harness is open or shorted
  • Left Front Speed Sensor circuit poor electrical connection
  • Faulty EBCM

How to Fix the DTC C0228 GMC?

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 C0228 GMC 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 C0228 GMC 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 C0228 GMC Code

1. What are the common symptoms of OBDII code C0228 GMC (Left Rear ABS Channel in Release Too Long)?

The common symptoms of this code may include the ABS warning light illuminating on the dashboard, decreased braking performance, and potential issues with the vehicle's stability control system.

2. What can cause the OBDII code C0228 GMC to trigger?

This code is typically triggered by a fault in the left rear ABS wheel speed sensor or a malfunction in the ABS control module.

3. How can I diagnose the OBDII code C0228 GMC?

Diagnosing this code usually involves using a professional OBDII scanner to retrieve the specific fault codes, conducting a visual inspection of the left rear ABS sensor and wiring, and testing the ABS control module for any malfunctions.

4. What are some repair tips for fixing the OBDII code C0228 GMC?

Repair tips may include checking and cleaning the left rear ABS sensor, inspecting and repairing any damaged wiring or connectors, and resetting the ABS control module to clear the code.

5. Can I drive my vehicle with the OBDII code C0228 GMC present?

It is not recommended to drive the vehicle with this code present, as it can affect the ABS system's performance and compromise overall safety.

6. How serious is the OBDII code C0228 GMC?

While the severity of this code can vary, it is important to address it promptly to ensure the proper functioning of the ABS system and maintain safe braking performance.

7. How much does it typically cost to repair the OBDII code C0228 GMC?

The cost of repairing this code can vary depending on the underlying cause, but it may involve expenses for parts replacement, sensor repairs, or module reprogramming.

8. Can I reset the OBDII code C0228 GMC without fixing the issue?

Resetting the code without addressing the underlying problem may temporarily turn off the warning light, but the issue will likely reoccur until the root cause is resolved.

9. Will the OBDII code C0228 GMC cause my vehicle to fail an emissions test?

The presence of this code may not directly impact emissions, but it is still important to address it to ensure the proper functioning of the ABS system and overall vehicle safety.

10. How can I prevent the OBDII code C0228 GMC from recurring in the future?

Regularly inspecting and maintaining the ABS system, including the wheel speed sensors and control module, can help prevent the recurrence of this code in the future.

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