C0229 GMC Code - Simultaneous Dropout Of Front Wheel Speed Sensors
Quick Answer
As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. Common causes include Faulty Front Speed Sensor, Front Speed Sensor harness is open or shorted, 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
- C0229 GMC indicates Simultaneous Dropout Of Front Wheel Speed Sensors.
- Common causes
- Common causes include Faulty Front Speed Sensor, Front Speed Sensor harness is open or shorted, 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.
Code C0229 GMC Description
What are the Possible Causes of the DTC C0229 GMC?
- Faulty Front Speed Sensor
- Front Speed Sensor harness is open or shorted
- Front Speed Sensor circuit poor electrical connection
- Faulty EBCM
How to Fix the DTC C0229 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 C0229 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 C0229 GMC code?
Need more information on how to fix the C0229 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0229 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C0229 GMC Code
What does the OBDII code C0229 mean for GMC vehicles?
C0229 indicates a simultaneous dropout or loss of signal from the front wheel speed sensors, which the ABS system uses to monitor wheel speed.
What are the common symptoms of code C0229 in GMC vehicles?
Symptoms include an illuminated ABS warning light, traction control issues, and reduced braking performance during sudden stops.
What causes code C0229 in GMC vehicles?
Potential causes include damaged or dirty front wheel speed sensors, corroded wiring or connectors, or a malfunctioning ABS module.
How do you diagnose code C0229 in a GMC vehicle?
Diagnosis involves scanning for ABS codes, inspecting the front wheel speed sensors for physical damage, checking wiring for corrosion or disconnection, and testing sensor signals with a multimeter.
Can code C0229 affect driving safety?
Yes, the code can impact ABS functionality, leading to increased stopping distances and reduced control during emergency braking.
How do you fix code C0229 in GMC vehicles?
Fixes may include cleaning or replacing the front wheel speed sensors, repairing damaged wiring, or replacing the ABS module if faulty.
Can code C0229 clear itself after repairs?
The code may clear automatically after successful repairs, but a diagnostic scanner can be used to manually clear the code if needed.
Are dirty wheel hubs a possible cause of code C0229?
Yes, dirt or debris on the wheel hubs can obstruct the front wheel speed sensors, leading to signal dropout and triggering the code.
How much does it typically cost to repair code C0229 in GMC vehicles?
Repair costs vary depending on the issue but can range from $100-$300 for sensor replacement or wiring repairs, and higher if the ABS module needs replacement.
Can driving with code C0229 cause further damage?
Prolonged driving with this code can strain other ABS components and compromise braking safety, so prompt repair is recommended.
Discuss the causes and fixes for C0229 GMC OBDII Code
Code C0229 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
