AutoCodes – GMC – C0293 GMC

C0293 GMC Code - Park Brake Switch Control

Quick Answer

The electric handbrake control module has an internal motor, apply actuator, release actuator, and temperature sensor. Common causes include Faulty Electric Parking Brake Control Module, Electric Parking Brake Control Module harness is open or shorted, Electric Parking Brake Control Module 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: C0293 GMC indicates Park Brake Switch Control.
Common causes: Common causes include Faulty Electric Parking Brake Control Module, Electric Parking Brake Control Module harness is open or shorted, Electric Parking Brake Control Module 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 2,707

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 18, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C0293 GMC Description

The electric handbrake control module has an internal motor, apply actuator, release actuator, and temperature sensor. The electric handbrake control module also contains the logic for applying and releasing the handbrake when commanded by the electric handbrake switch. The electric parking brake module will perform diagnostics on the electric parking brake switch and its wiring harness to verify it is functioning properly. When the electric handbrake control module receives a signal from the switch the internal circuit board temperature is checked to verify it is within operating range before the control module performs the requested operation.
The electric park brake switch control diagnostic checks for failure conditions in the electric park brake switch and associated wiring into the electric park brake module.

OBDII Code C0293 GMC - Park Brake Switch Control - AutoCodes.com — C0293 GMC Code - Park Brake Switch Control

What does this mean?

What are the Possible Causes of the DTC C0293 GMC?

Faulty Electric Parking Brake Control Module
Electric Parking Brake Control Module harness is open or shorted
Electric Parking Brake Control Module circuit poor electrical connection

How to Fix the DTC C0293 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 does this mean?

Code Tech Notes

- C0293 01: Park Brake Switch Control Short to Battery
- C0293 06: Park Brake Switch Control Low Voltage/Open
- C0293 08: Park Brake Switch Control Performance-Signal Invalid

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0293 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 C0293 GMC Code

1. What are the common symptoms of OBDII code C0293 GMC (Park Brake Switch Control)?

- Common symptoms include the parking brake warning light staying on, the parking brake not engaging or disengaging properly, and potential issues with the vehicle's traction control system.

2. What are the possible causes of OBDII code C0293 GMC?

- The code C0293 GMC can be triggered by a faulty park brake switch, a malfunctioning park brake control module, damaged wiring or connectors related to the park brake system, or issues with the vehicle's electronic brake control module.

3. How can I diagnose the OBDII code C0293 GMC?

- Diagnosis involves using a diagnostic scanner to retrieve the trouble code, checking the condition of the park brake switch, inspecting the wiring and connectors for any damage, and testing the park brake control module for proper functionality.

4. Can I still drive my vehicle with OBDII code C0293 GMC?

- It is not recommended to drive your vehicle with the OBDII code C0293 GMC present, as it can affect the proper operation of the parking brake and potentially compromise the vehicle's safety systems.

5. How can I repair OBDII code C0293 GMC?

- Repairing the code C0293 GMC may involve replacing the faulty park brake switch, repairing or replacing damaged wiring or connectors, or addressing any issues with the park brake control module as per manufacturer's recommendations.

6. Are there any DIY tips for fixing OBDII code C0293 GMC?

- While some basic troubleshooting like checking the park brake switch and inspecting the wiring can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for a thorough diagnosis and repair of the issue.

7. How much does it cost to fix OBDII code C0293 GMC?

- The cost of fixing OBDII code C0293 GMC can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of any replacement parts needed. It is advisable to get a few quotes from different mechanics to compare prices.

8. Can a faulty park brake switch cause other issues in the vehicle?

- Yes, a faulty park brake switch can cause other issues such as the parking brake not engaging properly, the parking brake warning light staying on, and potential problems with the vehicle's traction control system.

9. Is OBDII code C0293 GMC a serious problem?

- OBDII code C0293 GMC should be addressed promptly as it can affect the proper operation of the parking brake system and compromise the safety of the vehicle. Ignoring the code can lead to potential safety hazards.

10. How long does it typically take to fix OBDII code C0293 GMC?

- The time needed to fix OBDII code C0293 GMC can vary depending on the specific cause of the issue, the availability of parts, and the workload of the mechanic. In general, it may take a few hours to a full day to diagnose and repair the problem.