BMW DTC P151F – CAN Message Monitoring Vehicle Speed Sensor Timeout
DTC P151F meaning on BMW
The DTC P151F code on a BMW indicates a CAN (Controller Area Network) message monitoring timeout related to the vehicle speed sensor. This means that the vehicle’s onboard computer system has detected a communication issue or lack of response from the vehicle speed sensor over the CAN network.
BMW DTC P151F symptoms
Symptoms associated with the BMW DTC P151F code may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Loss of speedometer functionality
- Erratic or incorrect speedometer readings
- Transmission shifting issues
BMW DTC P151F causes
The common causes of the BMW DTC P151F code include:
- Defective vehicle speed sensor
- Faulty wiring or connectors in the CAN network
- Interference or signal disruption in the CAN communication system
- Issues with the vehicle’s control module
BMW DTC P151F seriousness
The DTC P151F code should be addressed promptly as it can lead to inaccurate speed readings and potential transmission issues. Ignoring this code may result in unsafe driving conditions and further damage to the vehicle’s systems.
How to diagnose DTC P151F on BMW
To diagnose the DTC P151F code on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer system.
- Inspect the vehicle speed sensor and its wiring for any visible damage or corrosion.
- Check the CAN communication network for any faults or disruptions.
- Perform a road test to verify the speedometer functionality and transmission operation.
How to fix DTC P151F on BMW
To fix the DTC P151F code on a BMW, consider the following steps:
- Replace the faulty vehicle speed sensor if it is determined to be the cause of the issue.
- Repair or replace any damaged wiring or connectors in the CAN network.
- Ensure proper grounding and shielding of the CAN communication system to prevent interference.
- If necessary, reprogram or replace the vehicle’s control module.
How to erase DTC P151F on BMW
To erase the DTC P151F code on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. After addressing the underlying issue that triggered the code, perform a reset or clear code function on the scanner to erase the DTC P151F from the system.
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.