AutoCodes – Generic – C2795

C2795 Code - Brake Assist Unable To Initialize

Quick Answer

The Brake Pressure Transducer is attached to the brake master cylinder and is hardwired to the Trailer Brake Control (TBC) Module. Common causes include Faulty Brake Pressure Transducer, Brake Pressure Transducer harness is open or shorted, Brake Pressure Transducer 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
C2795 indicates Brake Assist Unable To Initialize.
Common causes
Common causes include Faulty Brake Pressure Transducer, Brake Pressure Transducer harness is open or shorted, Brake Pressure Transducer 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 947
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code C2795 Description

The Brake Pressure Transducer is attached to the brake master cylinder and is hardwired to the Trailer Brake Control (TBC) Module. The transducer and the master cylinder are installed new as an assembly. The TBC module supplies voltage to the transducer and ground along circuits. The voltage returned from the transducer and is used by the TBC module to determine current brake pressure. Trailer Brake Control (TBC) Module sets the OBDII code when the Brake Pressure Transducer is not to factory specifications.
OBDII Code C2795 - Brake Assist Unable To Initialize - AutoCodes.com
C2795 Code - Brake Assist Unable To Initialize

What are the Possible Causes of the DTC C2795?

  • Faulty Brake Pressure Transducer
  • Brake Pressure Transducer harness is open or shorted
  • Brake Pressure Transducer circuit poor electrical connection
  • Faulty Trailer Brake Control (TBC) Module

How to Fix the DTC C2795?

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 C2795 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 C2795 code?

Need more information on how to fix the C2795 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2795 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 C2795 Code

1. What are the common symptoms of OBDII code C2795 Brake Assist Unable To Initialize?

- Common symptoms include the brake warning light illuminated on the dashboard, loss of power brakes, and a potential decrease in braking effectiveness.

2. What are the possible causes of OBDII code C2795 Brake Assist Unable To Initialize?

- Possible causes include a faulty brake booster, issues with the brake pressure sensor, wiring problems, or a malfunction in the brake assist system.

3. How can I diagnose the source of OBDII code C2795 Brake Assist Unable To Initialize?

- Diagnose the issue by checking the brake fluid level, inspecting the brake booster and pressure sensor for any visible damage, and using a diagnostic scanner to retrieve additional fault codes.

4. Is it safe to drive with OBDII code C2795 Brake Assist Unable To Initialize?

- It is not recommended to drive with this code as it may compromise the effectiveness of your braking system, leading to potential safety hazards.

5. Can I reset OBDII code C2795 Brake Assist Unable To Initialize by clearing the fault codes?

- Clearing the fault codes may temporarily reset the warning light, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

6. How can I repair OBDII code C2795 Brake Assist Unable To Initialize?

- Repair options include replacing a faulty brake booster, fixing wiring issues, addressing problems with the brake pressure sensor, or seeking assistance from a professional mechanic for a thorough diagnosis and repair.

7. What steps should I take if OBDII code C2795 Brake Assist Unable To Initialize persists after repairs?

- If the code persists after repairs, consider checking for any missed issues during the initial diagnosis, ensuring proper installation of replacement parts, and consulting with a certified technician for further troubleshooting.

8. Are there any preventive measures to avoid OBDII code C2795 Brake Assist Unable To Initialize?

- Regular maintenance of the brake system, including checking brake fluid levels, inspecting brake components for wear and tear, and addressing any warning signs promptly, can help prevent issues leading to this code.

9. Can extreme weather conditions or driving habits trigger OBDII code C2795 Brake Assist Unable To Initialize?

- Extreme weather conditions or aggressive driving habits can potentially strain the brake assist system and contribute to triggering this code. It's important to drive cautiously and maintain your vehicle properly.

10. How long does it typically take to repair OBDII code C2795 Brake Assist Unable To Initialize?

- The repair time can vary depending on the specific cause of the issue, availability of replacement parts, and the complexity of the repair process. It is advisable to consult with a professional mechanic for an accurate estimate.

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