AutoCodes – Cadillac – C029C Cadillac

C029C Cadillac Code - Brake Control Brake Pedal Position Sensor

Quick Answer

The Electronic Brake Control Module (EBCM) uses inputs from the electronic brake control brake pedal position sensor to determine when the brake is applied and how much force is used. Common causes include Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted, Brake Pedal Position 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
C029C Cadillac indicates Brake Control Brake Pedal Position Sensor.
Common causes
Common causes include Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted, Brake Pedal Position 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 806
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 18, 2020
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Code C029C Cadillac Description

The Electronic Brake Control Module (EBCM) uses inputs from the electronic brake control brake pedal position sensor to determine when the brake is applied and how much force is used. The electronic brake control module monitors when the driver's foot is on the brake and locks the offset. The offset is locked when 3 out of the 4 inputs indicate the brake pedal is applied. The 4 inputs are brake pedal travel 1, brake pedal travel 2, master cylinder pressure sensor, and the brake pedal position sensor. These inputs are used to determine the driver's braking intent which is used to the control amount of pressure applied to the wheels.
OBDII Code C029C Cadillac - Brake Control Brake Pedal Position Sensor - AutoCodes.com
C029C Cadillac Code - Brake Control Brake Pedal Position Sensor

What are the Possible Causes of the DTC C029C Cadillac?

  • Faulty Brake Pedal Position Sensor
  • Brake Pedal Position Sensor harness is open or shorted
  • Brake Pedal Position Sensor circuit poor electrical connection
  • Faulty Electronic Brake Control Module (EBCM)

How to Fix the DTC C029C 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C029C 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.

Need more information about the C029C Cadillac code?

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Need Help with the Code?

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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 C029C Cadillac Code

1. What are the common symptoms of OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor?

The common symptoms include issues with the brake lights, traction control, stability control, and potentially affecting the vehicle's braking performance.

2. What are some possible causes of OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor?

Possible causes include a faulty brake pedal position sensor, damaged wiring or connectors in the brake control system, or issues with the brake control module.

3. How can I diagnose OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor?

Diagnosis typically involves using a diagnostic scanner to read the code, testing the brake pedal position sensor and related components for proper functionality, and inspecting wiring and connectors for any damage.

4. Can I still drive my Cadillac with OBDII code C029C related to the Brake Pedal Position Sensor?

It is not recommended to drive the vehicle with this code present, as it can affect crucial safety systems like the brakes and traction control. Immediate attention and repair are advised.

5. How do I repair OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor?

Repair may involve replacing the faulty brake pedal position sensor, repairing damaged wiring or connectors, or reprogramming the brake control module. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

6. Are there any DIY tips for addressing OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor?

While basic inspections like checking for loose connections or damaged wiring can be done by DIY enthusiasts, advanced diagnostics and repairs for this code are best left to trained professionals due to the critical nature of the brake system.

7. How much does it typically cost to repair OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor?

The cost of repair can vary depending on the exact cause of the issue, the extent of the damage, and labor rates in your area. It's advisable to get multiple quotes from reputable repair shops.

8. Can OBDII code C029C (Cadillac) be triggered intermittently?

Yes, this code can sometimes be triggered intermittently, especially if the issue is related to loose connections or intermittent sensor malfunctions. It's important not to ignore intermittent codes, as they may indicate an underlying problem.

9. Will resetting the OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor make it go away permanently?

Simply resetting the code without addressing the root cause will not make it go away permanently. It's crucial to diagnose and repair the underlying issue to prevent the code from recurring.

10. Is OBDII code C029C (Cadillac) related to the Brake Pedal Position Sensor a common issue in Cadillac vehicles?

While not extremely common, issues with the brake pedal position sensor and related codes like C029C can occur in Cadillac vehicles, especially in older models or those with high mileage. Regular maintenance and inspections can help prevent such issues.

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