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Engine-Codes – Generic – P2855

P2855 Code - Clutch 'A' Pressure Charge Performance

Quick Answer

The P2855 diagnostic trouble code (DTC) refers to the Clutch 'A' Pressure Charge Performance. Common causes include Low transmission fluid level or poor quality fluid, Faulty clutch solenoid, Clogged transmission filter. 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
P2855 indicates Clutch 'A' Pressure Charge Performance.
Common causes
Common causes include Low transmission fluid level or poor quality fluid, Faulty clutch solenoid, Clogged transmission filter.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 25, 2024
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Code P2855 Description

The P2855 diagnostic trouble code (DTC) refers to the Clutch 'A' Pressure Charge Performance. This code is typically associated with automatic transmission systems. The clutch 'A' pressure charge performance relates to the hydraulic pressure within the transmission that is necessary for proper shifting and operation of the clutch. When this pressure charge performance is outside of the expected parameters, it can lead to issues with gear engagement, shifting smoothness, and overall drivability of the vehicle.

OBDII Code P2855 - Clutch 'A' Pressure Charge Performance
P2855 Code - Clutch 'A' Pressure Charge Performance

Common Causes of P2855

  1. Low transmission fluid level or poor quality fluid
  2. Faulty clutch solenoid
  3. Clogged transmission filter
  4. Internal transmission pressure issues
  5. Electrical problems within the transmission control module

Symptoms of P2855

  1. Rough or jerky shifting
  2. Delayed engagement when shifting gears
  3. Slipping gears
  4. Transmission overheating
  5. Illumination of the Check Engine Light

How to Fix P2855

  1. Check and top off transmission fluid levels
  2. Inspect and replace the clutch solenoid if necessary
  3. Replace the transmission filter
  4. Perform a pressure test on the transmission to diagnose internal issues
  5. Check and repair any electrical connections related to the transmission control module

Cost to Fix P2855

The typical cost for repairing a Clutch 'A' Pressure Charge Performance issue can range from $200 to $800, depending on the specific cause of the problem and the labor rates in your area. Keep in mind that additional diagnostic time may be needed to pinpoint the exact issue, so it's always recommended to consult with a professional technician for an accurate estimate.

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Code P2855 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 P2855 Code

1. What are common symptoms of OBDII code P2855 (Clutch 'A' Pressure Charge Performance)?

- Common symptoms include harsh shifting, transmission slipping, and difficulty engaging gears.

2. What are the possible causes of OBDII code P2855?

- Potential causes include low transmission fluid levels, a faulty clutch pressure control solenoid, or a malfunctioning transmission control module.

3. How can I diagnose OBDII code P2855?

- Diagnosis typically involves using a scan tool to retrieve the code and then conducting a thorough inspection of the transmission system components.

4. What are some repair tips for addressing OBDII code P2855?

- Repair tips may include checking and topping up transmission fluid levels, inspecting and replacing the clutch pressure control solenoid, and ensuring proper functioning of the transmission control module.

5. Can driving with OBDII code P2855 cause further damage to my vehicle?

- Continuing to drive with this code may lead to further transmission issues and potential damage, so it is recommended to address the problem promptly.

6. How much does it typically cost to repair OBDII code P2855?

- The cost of repairs can vary depending on the specific issue causing the code, but it may range from a few hundred to over a thousand dollars.

7. Is it safe to continue driving my vehicle with OBDII code P2855?

- It is not recommended to drive the vehicle with this code present, as it can lead to transmission problems and potential safety hazards.

8. Can OBDII code P2855 be reset without repairing the underlying issue?

- While the code can be cleared temporarily, it will likely reappear if the root cause of the problem is not addressed.

9. How long does it take to repair OBDII code P2855?

- The repair time can vary depending on the exact cause of the issue and the extent of the repairs needed, but it may take several hours to a day.

10. Will OBDII code P2855 cause my vehicle to fail an emissions test?

- Yes, this code may cause your vehicle to fail an emissions test, as it indicates a problem with the transmission system that can impact emissions.

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