P2855 – BMW DTC

BMW DTC P2855 – Clutch ‘A’ Pressure Charge Performance

DTC P2855 meaning on BMW

The Diagnostic Trouble Code (DTC) P2855 for BMW refers to ¨Clutch ‘A’ Pressure Charge Performance.¨ This code indicates that there is a problem with the performance of the pressure charge in the clutch ‘A’ system of the vehicle.

BMW DTC P2855 symptoms

Symptoms of DTC P2855 on a BMW may include:

  • Harsh shifting
  • Slipping transmission
  • Transmission not engaging properly
  • Check Engine Light illuminated

BMW DTC P2855 causes

Common causes of DTC P2855 on a BMW include:

  • Low transmission fluid level
  • Dirty or contaminated transmission fluid
  • Faulty clutch pressure control solenoid
  • Internal transmission issues

BMW DTC P2855 seriousness

Ignoring DTC P2855 on a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is important to address this issue promptly to prevent more severe transmission problems.

How to diagnose DTC P2855 on BMW

To diagnose DTC P2855 on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code
  2. Inspect the transmission fluid level and condition
  3. Check for any leaks in the transmission system
  4. Test the clutch pressure control solenoid
  5. Conduct a road test to observe the transmission behavior

How to fix DTC P2855 on BMW

To fix DTC P2855 on a BMW, the following steps may be taken:

  1. Top up or replace the transmission fluid if low or contaminated
  2. Repair or replace the clutch pressure control solenoid if faulty
  3. Address any internal transmission issues as needed
  4. Clear the fault code and test drive the vehicle to ensure the issue is resolved

How to erase DTC P2855 on BMW

To erase DTC P2855 on a BMW, the fault code can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue causing the fault code, the code can be cleared to reset the Check Engine Light and ensure the repair was successful.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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