P154F – BMW DTC

BMW DTC P154F – Throttle Actuator Monitoring Reset Error (Bank 1)

DTC P154F meaning on BMW

DTC P154F is a diagnostic trouble code that indicates a Throttle Actuator Monitoring Reset Error on Bank 1 in BMW vehicles. This error code is specific to the throttle actuator system and is usually triggered when the monitoring system detects a fault related to the throttle actuator reset procedure.

BMW DTC P154F symptoms

Symptoms of DTC P154F in BMW vehicles may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Reduced engine power or acceleration
• Unresponsive throttle pedal
• Vehicle going into limp mode

BMW DTC P154F causes

Common causes of DTC P154F in BMW vehicles include:

• Throttle actuator malfunction
• Software glitch in the throttle actuator system
• Faulty throttle position sensor
• Electrical issues in the throttle actuator circuit

BMW DTC P154F seriousness

The seriousness of DTC P154F on a BMW depends on the underlying cause. Ignoring this error code can lead to drivability issues and potential safety concerns. It is recommended to address this issue promptly to prevent further damage to the vehicle.

How to diagnose DTC P154F on BMW

To diagnose DTC P154F on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
2. Inspect the throttle actuator and related components for any visible damage or signs of wear.
3. Check the throttle position sensor for proper operation.
4. Perform a reset procedure on the throttle actuator system and monitor for any changes in the error code status.

How to fix DTC P154F on BMW

To fix DTC P154F on a BMW, you can try the following solutions:

1. Clean the throttle body and throttle plate to ensure smooth operation.
2. Inspect and replace the throttle position sensor if necessary.
3. Reset the throttle actuator system using a diagnostic scanner.
4. Update the software of the throttle actuator system to the latest version.

How to erase DTC P154F on BMW

To erase DTC P154F on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. After addressing the underlying issue causing the error code, you can reset the system and ensure that the Check Engine Light is no longer illuminated.

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.