AutoCodes – Pontiac – C1226 Pontiac

C1226 Pontiac Code - Right Front Excessive Wheel Speed Variation

Quick Answer

As the wheel spins, the wheel speed sensor produces an AC signal. Common causes include Faulty Hub Assembly (Right Front Wheel Speed Sensor is part of hub assembly), Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted. 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
C1226 Pontiac indicates Right Front Excessive Wheel Speed Variation.
Common causes
Common causes include Faulty Hub Assembly (Right Front Wheel Speed Sensor is part of hub assembly), Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted.
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 6,508
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 27, 2020
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Code C1226 Pontiac Description

As the wheel spins, the wheel speed sensor produces an AC signal. The Electronic Brake Control Module (EBCM) uses the frequency of the AC signal to calculate the wheel speed. The EBCM will set the OBDII code when the sensor is not to factory specifications.
OBDII Code C1226 Pontiac - Right Front Excessive Wheel Speed Variation - AutoCodes.com
C1226 Pontiac Code - Right Front Excessive Wheel Speed Variation

What are the Possible Causes of the DTC C1226 Pontiac?

  • Faulty Hub Assembly (Right Front Wheel Speed Sensor is part of hub assembly)
  • Faulty Right Front Wheel Speed Sensor
  • Right Front Wheel Speed Sensor harness is open or shorted
  • Right Front Wheel Speed Sensor circuit poor electrical connection

How to Fix the DTC C1226 Pontiac?

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 C1226 Pontiac 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 C1226 Pontiac code?

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Need Help with the Code?

Get the C1226 Pontiac code diagnosed by a professional: Find a repair shop in your area

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 C1226 Pontiac Code

1. What are the common symptoms of OBDII code C1226 in a Pontiac related to right front excessive wheel speed variation?

The common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential issues with braking performance.

2. What are the possible causes of OBDII code C1226 indicating right front excessive wheel speed variation in a Pontiac?

Possible causes may include a faulty wheel speed sensor, damaged wiring or connectors in the ABS system, issues with the ABS control module, or problems with the wheel bearing.

3. How can I diagnose the root cause of OBDII code C1226 in my Pontiac?

Diagnosis typically involves scanning the vehicle's ABS system with a diagnostic tool to retrieve the specific fault codes, inspecting the right front wheel speed sensor and related components for damage or corrosion, and testing the sensor's functionality.

4. Can I drive my Pontiac with OBDII code C1226 for right front excessive wheel speed variation?

It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS and traction control systems, potentially compromising safety.

5. How can I repair OBDII code C1226 in my Pontiac indicating right front excessive wheel speed variation?

Repair options may include replacing the right front wheel speed sensor, repairing or replacing damaged wiring or connectors, resetting the ABS system, or addressing any underlying issues in the ABS control module.

6. Are there any DIY tips for troubleshooting OBDII code C1226 in a Pontiac?

DIY enthusiasts can start by visually inspecting the right front wheel speed sensor and its connections, checking for any visible damage or corrosion, and using a multimeter to test the sensor's output signal.

7. What are the potential risks of ignoring OBDII code C1226 in a Pontiac indicating right front excessive wheel speed variation?

Ignoring this code could lead to impaired ABS and traction control functionality, compromising the vehicle's ability to maintain stability and control during braking or slippery road conditions.

8. Can extreme weather conditions or rough terrain trigger OBDII code C1226 in a Pontiac?

Yes, extreme weather conditions or driving on rough terrain can potentially cause issues with the right front wheel speed sensor, leading to the triggering of code C1226.

9. Is it necessary to visit a dealership or mechanic for OBDII code C1226 repair in a Pontiac?

While professional diagnosis and repair are recommended for complex ABS system issues, some DIY enthusiasts with experience in automotive repairs may be able to address the problem themselves with the right tools and knowledge.

10. How can I prevent OBDII code C1226 related to right front excessive wheel speed variation from recurring in my Pontiac?

Regular inspection and maintenance of the ABS system, including checking sensors, wiring, and connectors, as well as keeping the wheel bearings in good condition, can help prevent the recurrence of this code.

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