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C1228 Pontiac Code - Right Rear Excessive Wheel Speed Variation

Quick Answer

The C1228 Pontiac code indicates that there is excessive wheel speed variation detected in the right rear wheel of the vehicle. Common causes include Faulty right rear wheel speed sensor, Damaged wiring or connectors related to the wheel speed sensor, Malfunctioning ABS module. 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
C1228 Pontiac indicates Right Rear Excessive Wheel Speed Variation.
Common causes
Common causes include Faulty right rear wheel speed sensor, Damaged wiring or connectors related to the wheel speed sensor, Malfunctioning ABS module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code C1228 Pontiac Description

The C1228 Pontiac code indicates that there is excessive wheel speed variation detected in the right rear wheel of the vehicle. This issue is typically related to the Anti-Lock Brake System (ABS) or Traction Control System (TCS). When the ABS or TCS detects a significant difference in wheel speed between the right rear wheel and the other wheels, it triggers this diagnostic trouble code (DTC). This can lead to compromised braking performance, stability, and overall safety of the vehicle.

OBDII Code C1228 Pontiac - Right Rear Excessive Wheel Speed Variation
C1228 Pontiac Code - Right Rear Excessive Wheel Speed Variation

Common Causes of C1228 Pontiac

  1. Faulty right rear wheel speed sensor
  2. Damaged wiring or connectors related to the wheel speed sensor
  3. Malfunctioning ABS module
  4. Issues with the right rear wheel bearing
  5. Corrosion or debris affecting the wheel speed sensor's performance

Symptoms of C1228 Pontiac

  1. Illumination of the ABS warning light on the dashboard
  2. Traction control system engaging unexpectedly
  3. Uneven braking or pulling to one side during braking
  4. Increased stopping distance
  5. Grinding or scraping noise coming from the right rear wheel

How to Fix C1228 Pontiac

  1. Diagnose the specific cause of the excessive wheel speed variation by using a scan tool to retrieve the ABS/TCS codes and inspecting the right rear wheel speed sensor and related components.
  2. Replace the faulty right rear wheel speed sensor if it is determined to be the cause of the issue.
  3. Check and repair any damaged wiring or connectors in the wheel speed sensor circuit.
  4. Inspect and potentially replace the ABS module if it is found to be malfunctioning.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the ABS/TCS systems are functioning properly.

Cost to Fix C1228 Pontiac

The typical repair costs for addressing a C1228 Pontiac code can vary depending on the specific cause of the issue. In general, replacing a wheel speed sensor can cost between $100 and $200, including parts and labor. However, if additional repairs or component replacements are needed, the total cost could be higher. It's important to consider that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your vehicle make and model.

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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 C1228 Pontiac Code

1. What are the common symptoms of OBDII code C1228 in a Pontiac related to right rear excessive wheel speed variation?

The common symptoms include traction control and ABS warning lights illuminated on the dashboard, potential loss of traction control functionality, and possible uneven braking performance.

2. What are the possible causes of OBDII code C1228 in a Pontiac indicating right rear excessive wheel speed variation?

Possible causes may include a faulty wheel speed sensor at the right rear wheel, damaged wiring or connectors related to the sensor, or issues with the ABS control module.

3. How can I diagnose the OBDII code C1228 in my Pontiac related to right rear excessive wheel speed variation?

Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the right rear wheel speed sensor and its connections, and testing the sensor's functionality using a multimeter.

4. Can a DIY enthusiast repair OBDII code C1228 in a Pontiac associated with right rear excessive wheel speed variation?

Repairing this issue may be possible for DIY enthusiasts with experience in automotive repairs. Replacing the faulty wheel speed sensor, repairing damaged wiring, or addressing issues with the ABS control module may solve the problem.

5. Is it safe to continue driving my Pontiac with OBDII code C1228 indicating right rear excessive wheel speed variation?

It is not recommended to drive the vehicle extensively with this issue, as it can affect traction control and braking performance. Prompt diagnosis and repair are advised to ensure safe operation.

6. Are there any temporary solutions or quick fixes for OBDII code C1228 in a Pontiac related to right rear excessive wheel speed variation?

There are typically no temporary solutions or quick fixes for this issue. It is best to address the root cause of the problem through proper diagnosis and repair.

7. How much does it typically cost to repair OBDII code C1228 in a Pontiac involving right rear excessive wheel speed variation?

The cost of repair can vary depending on the specific cause of the issue. Replacing a wheel speed sensor or addressing wiring issues may range from $100 to $300, while repairs involving the ABS control module could be more expensive.

8. Can extreme weather conditions or road debris trigger OBDII code C1228 in a Pontiac indicating right rear excessive wheel speed variation?

Extreme weather conditions or road debris may potentially affect the wheel speed sensor's performance, leading to the triggering of this fault code. Regular maintenance and inspection can help prevent such issues.

9. Will resetting the OBDII code C1228 in a Pontiac related to right rear excessive wheel speed variation make the problem disappear?

Resetting the code may temporarily turn off the warning lights, but it will not fix the underlying issue causing the excessive wheel speed variation. Proper diagnosis and repair are necessary for a permanent solution.

10. Is it necessary to visit a dealership or mechanic for OBDII code C1228 in a Pontiac indicating right rear excessive wheel speed variation?

While visiting a dealership or mechanic is recommended for accurate diagnosis and repair, experienced DIY enthusiasts with the right tools and knowledge may be able to address this issue themselves.

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