P155F – BMW DTC

BMW DTC P155F – Throttle Actuator Monitoring Reset Error (Bank 2)

DTC P155F meaning on BMW

DTC P155F is a Throttle Actuator Monitoring Reset Error (Bank 2) code that specifically relates to BMW vehicles. This diagnostic trouble code indicates an issue with the throttle actuator system on Bank 2 of the engine. The throttle actuator is responsible for controlling the airflow into the engine, and any malfunction in this system can lead to drivability issues.

BMW DTC P155F symptoms

Symptoms of DTC P155F on a BMW may include:

• Reduced engine power
• Engine stalling
• Difficulty accelerating
• Check Engine Light illuminated

BMW DTC P155F causes

The common causes of DTC P155F on a BMW include:

• Throttle actuator failure
• Wiring or connector issues
• Software glitches

BMW DTC P155F seriousness

The seriousness of DTC P155F on a BMW lies in the fact that it can lead to drivability issues and potentially unsafe driving conditions. Ignoring this code may result in further damage to the engine or other components.

How to diagnose DTC P155F on BMW

To diagnose DTC P155F on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the throttle actuator for any visible damage
3. Check the wiring and connectors for any signs of wear or corrosion
4. Perform a throttle actuator adaptation using a BMW diagnostic tool

How to fix DTC P155F on BMW

To fix DTC P155F on a BMW, you may need to:

1. Replace the faulty throttle actuator
2. Repair any damaged wiring or connectors
3. Update the software to the latest version

How to erase DTC P155F on BMW

To erase DTC P155F on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. Perform a throttle actuator adaptation to reset the system
3. Ensure that the issue has been resolved before clearing the codes

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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