AutoCodes – Cadillac – C0229 Cadillac

C0229 Cadillac 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 Cadillac 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 6,840
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 C0229 Cadillac 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 C0229 Cadillac - Simultaneous Dropout Of Front Wheel Speed Sensors - AutoCodes.com
C0229 Cadillac Code - Simultaneous Dropout Of Front Wheel Speed Sensors

What are the Possible Causes of the DTC C0229 Cadillac?

  • 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 Cadillac?

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 Cadillac 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 C0229 Cadillac Code

1. What does the OBDII code C0229 mean on a Cadillac?

C0229 indicates a simultaneous dropout of the front wheel speed sensors, meaning the sensors are not providing reliable signals to the ABS module.

2. What are common symptoms of code C0229 on a Cadillac?

Symptoms may include the ABS light or traction control light illuminating, loss of ABS functionality, and reduced stability during braking.

3. What causes the C0229 code on a Cadillac?

Common causes include damaged or faulty front wheel speed sensors, wiring issues, or problems with the ABS module.

4. Can a dirty wheel speed sensor cause code C0229 on a Cadillac?

Yes, dirt or debris on the sensor or sensor ring can interfere with signal transmission and trigger the code.

5. How do you diagnose code C0229 on a Cadillac?

Diagnosis typically involves inspecting the wheel speed sensors, wiring harnesses, connectors, and the ABS module for damage or faults.

6. Can I drive my Cadillac with code C0229?

While the vehicle is drivable, ABS and traction control features may be compromised, increasing the risk of skidding in adverse conditions.

7. How do you fix code C0229 on a Cadillac?

Repairs may include cleaning or replacing the wheel speed sensors, repairing damaged wiring, or replacing the ABS module if necessary.

8. How much does it cost to fix code C0229 on a Cadillac?

Costs vary depending on the issue, but sensor replacement typically costs $100-$300 per sensor, while ABS module repairs can exceed $600.

9. Can a weak battery cause code C0229 on a Cadillac?

A weak battery can cause intermittent electrical issues, potentially affecting ABS system performance and triggering this code.

10. Does code C0229 require a software update on a Cadillac?

In some cases, a software update for the ABS module may be necessary if the issue is tied to programming errors.

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