AutoCodes – Generic – C0228

C0228 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 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 6,476

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 May 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0228 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 - Left Rear ABS Channel in Release Too Long - AutoCodes.com — C0228 Code - Left Rear ABS Channel in Release Too Long

What does this mean?

What are the Possible Causes of the DTC C0228?

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?

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 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 code?

Need more information on how to fix the C0228 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0228 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0228 Buick — Left Rear ABS Channel in Release Too Long
C0228 Cadillac — Left Rear ABS Channel in Release Too Long
C0228 Chevrolet — Left Rear ABS Channel in Release Too Long
C0228 GMC — Left Rear ABS Channel in Release Too Long
C0228 Pontiac — Left Rear ABS Channel in Release Too Long
C0228 Saturn — Left Rear ABS Channel in Release Too Long

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 Code

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

The common symptoms include the ABS warning light being illuminated on the dashboard, potential loss of traction control, and possible issues with the vehicle's braking system.

2. What can cause the OBDII code C0228 to appear?

This code is typically triggered by a fault in the left rear ABS wheel speed sensor, a malfunction in the ABS module, or problems with the wiring and connectors in the ABS system.

3. How is the OBDII code C0228 diagnosed?

Diagnosis involves using a professional OBDII scanner to retrieve the code, conducting a visual inspection of the ABS system components, and performing tests on the wheel speed sensor and related circuits.

4. What are some repair tips for resolving OBDII code C0228?

Repair options may include replacing the left rear ABS wheel speed sensor, repairing or replacing damaged wiring and connectors, and resetting the ABS module to clear the code.

5. Can driving with OBDII code C0228 present any risks?

Continuing to drive with this code may compromise the vehicle's ABS functionality, potentially leading to unsafe braking performance in certain conditions, so it is advisable to address the issue promptly.

6. How much does it typically cost to repair OBDII code C0228?

The cost of repair can vary depending on the underlying cause and the specific components that need to be replaced. It's recommended to consult a professional mechanic for an accurate diagnosis and cost estimate.

7. Is it possible to reset OBDII code C0228 without fixing the underlying issue?

While clearing the code with a diagnostic tool may temporarily turn off the warning light, the issue causing the code will persist and may lead to further problems if left unresolved.

8. Can OBDII code C0228 be triggered by other ABS system faults?

While this code specifically indicates an issue with the left rear ABS channel, it's possible for other ABS system faults to trigger similar codes, so a thorough diagnosis is crucial.

9. Is it necessary to address OBDII code C0228 immediately?

While the vehicle may still be operable with this code present, addressing it promptly is recommended to ensure the ABS system functions correctly and to prevent potential safety risks.

10. How can regular maintenance help prevent OBDII code C0228 from appearing?

Regularly inspecting and maintaining the ABS system components, such as the wheel speed sensors and wiring, can help prevent issues that could trigger OBDII code C0228, ensuring optimal performance and safety.