AutoCodes – GMC – C0222 GMC

C0222 GMC Code - Missing Right Front Speed Signal

Quick Answer

As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. Common causes include Faulty Right Front Speed Sensor, Right Front Speed Sensor harness is open or shorted, Right 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
C0222 GMC indicates Missing Right Front Speed Signal.
Common causes
Common causes include Faulty Right Front Speed Sensor, Right Front Speed Sensor harness is open or shorted, Right 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 21,082
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 09, 2020
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Code C0222 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 C0222 GMC - Missing Right Front Speed Signal - AutoCodes.com
C0222 GMC Code - Missing Right Front Speed Signal

What are the Possible Causes of the DTC C0222 GMC?

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

How to Fix the DTC C0222 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 C0222 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.

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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 C0222 GMC Code

1. What does the OBDII code C0222 mean on a GMC vehicle?

The C0222 code indicates a "Missing Right Front Speed Signal," meaning the ABS module is not receiving a proper signal from the right front wheel speed sensor.

2. What are the common symptoms of the C0222 code?

Symptoms may include the ABS warning light being illuminated, traction control issues, reduced braking performance, and erratic speedometer readings.

3. What causes the C0222 code to appear on a GMC?

Common causes include a faulty right front wheel speed sensor, damaged wiring or connectors, debris or corrosion on the sensor, or a malfunctioning ABS module.

4. Can I drive my GMC with the C0222 code?

While the vehicle may still be drivable, the ABS and traction control systems may not function properly, which can increase the risk of losing control during braking.

5. How do you diagnose the C0222 code?

Diagnosis involves scanning for codes, inspecting the right front wheel speed sensor and its wiring, checking for loose or corroded connections, and testing the sensor's resistance and output.

6. How do you fix the C0222 code on a GMC?

Repairs may include replacing the right front wheel speed sensor, cleaning debris from the sensor or tone ring, repairing damaged wiring, or replacing the ABS module if necessary.

7. How much does it typically cost to fix the C0222 code?

Repair costs can range from $100 to $300 for sensor replacement, depending on labor rates and the part's price, but more extensive repairs like ABS module replacement can be significantly higher.

8. What tools are needed to repair the C0222 code?

Basic tools include a diagnostic scanner, multimeter for electrical testing, and possibly a jack and wheel removal tools to access the sensor.

9. Can a dirty or damaged tone ring cause the C0222 code?

Yes, a dirty, damaged, or misaligned tone ring can interfere with the wheel speed sensor's signal, triggering the C0222 code.

10. How can I prevent the C0222 code from reoccurring?

Regularly inspect and clean the wheel speed sensors, ensure wiring is intact and protected from damage, and promptly address any ABS-related warning lights.

Discuss the causes and fixes for C0222 GMC OBDII Code

  • I have a problem of my battery causing draining all the time ...can you tell me what it cause on it

  • Unfortunately there are many things that can cause that problem. From a bad radio to an small door switch.

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