AutoCodes – Buick – C1294 Buick

C1294 Buick Code - Brake Lamp Switch Circuit Always Active

Quick Answer

The Electronic Brake Control Module (EBCM) monitors the Brake Lamp Switch. Common causes include Faulty Brake Lamp Switch, Brake Lamp Switch harness is open or shorted, Brake Lamp Switch 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: C1294 Buick indicates Brake Lamp Switch Circuit Always Active.
Common causes: Common causes include Faulty Brake Lamp Switch, Brake Lamp Switch harness is open or shorted, Brake Lamp Switch 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 1,084

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 Sep 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1294 Buick Description

The Electronic Brake Control Module (EBCM) monitors the Brake Lamp Switch. The EBCM sets the OBDII code when the Brake Lamp Switch is not to factory specifications.

OBDII Code C1294 Buick - Brake Lamp Switch Circuit Always Active - AutoCodes.com — C1294 Buick Code - Brake Lamp Switch Circuit Always Active

What does this mean?

What are the Possible Causes of the DTC C1294 Buick?

Faulty Brake Lamp Switch
Brake Lamp Switch harness is open or shorted
Brake Lamp Switch circuit poor electrical connection

How to Fix the DTC C1294 Buick?

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 C1294 Buick 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 C1294 Buick code?

Need more information on how to fix the C1294 Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1294 Buick code diagnosed by a professional: Find a repair shop in your area

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 C1294 Buick Code

1. What are common symptoms of OBDII code C1294 in a Buick related to the brake lamp switch circuit?

The common symptoms include illuminated brake warning light on the dashboard, brake lights staying on constantly, or brake lights not functioning at all.

2. What causes the OBDII code C1294 in a Buick related to the brake lamp switch circuit?

The code C1294 is typically triggered by a faulty brake lamp switch, damaged wiring in the brake lamp circuit, or a malfunctioning brake control module.

3. How can I diagnose the OBDII code C1294 in my Buick related to the brake lamp switch circuit?

You can start by checking the brake lamp switch for proper operation, inspecting the wiring for any visible damage, and using a diagnostic scanner to read and clear the trouble code.

4. Can I continue driving my Buick with the OBDII code C1294 related to the brake lamp switch circuit?

It is not recommended to drive your vehicle with this code active, as it can affect the proper functioning of your brake lights, compromising safety on the road.

5. Is it safe to repair the OBDII code C1294 in a Buick related to the brake lamp switch circuit myself?

If you have experience working with automotive electrical systems, you can attempt to repair the issue yourself by replacing the brake lamp switch or repairing any damaged wiring. Otherwise, it's best to seek professional help.

6. How much does it typically cost to repair the OBDII code C1294 in a Buick related to the brake lamp switch circuit?

The cost of repairing this code can vary depending on the root cause of the issue. Replacing a brake lamp switch may cost between $50 to $100, while addressing wiring issues or module malfunctions can be more expensive.

7. Will resetting the OBDII code C1294 in my Buick related to the brake lamp switch circuit fix the problem?

Resetting the trouble code may temporarily turn off the warning light, but it will not fix the underlying issue causing the code to appear. It's important to diagnose and address the root cause of the problem.

8. How can I prevent the OBDII code C1294 related to the brake lamp switch circuit from recurring in my Buick?

Regularly inspecting and maintaining the brake lamp switch, checking the wiring for any wear or damage, and addressing any issues promptly can help prevent the code from reappearing.

9. Can the OBDII code C1294 in a Buick related to the brake lamp switch circuit cause any other problems in the vehicle?

While the main issue is related to the brake lamp switch circuit, it can also impact other systems that rely on brake light signals, such as the vehicle's stability control or cruise control functions.

10. How long does it typically take to repair the OBDII code C1294 in a Buick related to the brake lamp switch circuit?

The repair time can vary depending on the complexity of the issue. Replacing a brake lamp switch can usually be done within an hour, while diagnosing and repairing wiring or module issues may take longer.