BMW DTC P2160 – Vehicle Speed Sensor ‘B’ Circuit Low
DTC P2160 meaning on BMW
The Diagnostic Trouble Code (DTC) P2160 for BMW refers to the Vehicle Speed Sensor ‘B’ Circuit Low. This code indicates that the vehicle’s Engine Control Module (ECM) has detected a low voltage signal from the vehicle speed sensor ‘B’, which is responsible for providing the ECM with information about the vehicle’s speed.
BMW DTC P2160 symptoms
Symptoms of the BMW DTC P2160 may include:
- Check Engine Light illuminated on the dashboard
- Speedometer not functioning correctly
- Erratic or incorrect speed readings
- Transmission shifting issues
BMW DTC P2160 causes
Common causes of the BMW DTC P2160 include:
- Defective vehicle speed sensor ‘B’
- Wiring or connector issues in the vehicle speed sensor circuit
- Faulty ECM
BMW DTC P2160 seriousness
While the BMW DTC P2160 may not always result in immediate drivability issues, it is important to address this code promptly. Ignoring this code can lead to inaccurate speed readings, potential transmission problems, and reduced overall vehicle performance.
How to diagnose DTC P2160 on BMW
To diagnose the BMW DTC P2160, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the vehicle speed sensor ‘B’ and its wiring for any visible damage or corrosion
- Test the vehicle speed sensor ‘B’ using a multimeter to check for proper voltage and resistance
- Check the ECM for any stored codes or issues related to the vehicle speed sensor circuit
How to fix DTC P2160 on BMW
To fix the BMW DTC P2160, the following steps may be taken:
- Replace the faulty vehicle speed sensor ‘B’ if it is determined to be defective
- Repair any damaged wiring or connectors in the vehicle speed sensor circuit
- If the ECM is found to be faulty, it may need to be replaced or reprogrammed
How to erase DTC P2160 on BMW
To erase the DTC P2160 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 code, the scanner can be used to clear the code from the ECM’s memory. This will reset the Check Engine Light and allow for a fresh start in monitoring the vehicle’s systems.
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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