P172F – BMW DTC

BMW DTC P172F – Internal Transmission Control Module Level 2 Error, Interference Counter 1 below Threshold

DTC P172F meaning on BMW

The DTC P172F error code on a BMW indicates an Internal Transmission Control Module Level 2 Error, specifically stating that Interference Counter 1 is below the threshold. This error typically points to a malfunction or issue within the transmission control module of the vehicle.

BMW DTC P172F symptoms

Symptoms of the DTC P172F error code on a BMW may include:

  • Transmission shifting issues
  • Slipping gears
  • Harsh shifting
  • Transmission warning light illuminated on the dashboard

BMW DTC P172F causes

Common causes of the DTC P172F error code on a BMW include:

  • Faulty transmission control module
  • Electrical issues within the transmission system
  • Software glitches or malfunctions

BMW DTC P172F seriousness

The DTC P172F error code should be addressed promptly as it can lead to potential transmission issues and affect the overall drivability of the vehicle. Ignoring this error code may result in further damage to the transmission system.

How to diagnose DTC P172F on BMW

To diagnose the DTC P172F error code on a BMW, a mechanic may perform the following steps:

  • Use a diagnostic scanner to retrieve the error code and related data
  • Inspect the transmission control module for any visible damage or signs of malfunction
  • Check the transmission fluid level and condition
  • Perform a thorough inspection of the transmission system for any loose connections or wiring issues

How to fix DTC P172F on BMW

To fix the DTC P172F error code on a BMW, the following steps may be taken:

  • Repair or replace the faulty transmission control module
  • Address any electrical issues within the transmission system
  • Update the software of the transmission control module if necessary
  • Clear the error code and perform a test drive to ensure the issue has been resolved

How to erase DTC P172F on BMW

To erase the DTC P172F error code on a BMW, a mechanic can use a diagnostic scanner to clear the code from the vehicle’s memory. Once the error code has been cleared, it is recommended to perform a test drive to verify that the issue has been resolved successfully.

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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