BMW DTC P320B – Message Monitoring Torque Calculation AFS Timeout
DTC P320B meaning on BMW
The DTC P320B code on a BMW refers to ¨Message Monitoring Torque Calculation AFS Timeout.¨ This diagnostic trouble code indicates that there is a timeout in the monitoring of the torque calculation for the Adaptive Front Lighting System (AFS) in the vehicle.
BMW DTC P320B symptoms
Symptoms of the BMW DTC P320B code may include:
- Malfunction indicator lamp (MIL) or check engine light illuminated on the dashboard
- Issues with the Adaptive Front Lighting System (AFS)
- Reduced performance or drivability
BMW DTC P320B causes
Common causes of the BMW DTC P320B code include:
- Malfunctioning torque calculation sensor
- Faulty wiring or connections related to the AFS system
- Software issues in the AFS control module
BMW DTC P320B seriousness
The DTC P320B code should not be ignored, as it can affect the proper functioning of the Adaptive Front Lighting System and potentially impact the vehicle’s performance and safety. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P320B on BMW
To diagnose the DTC P320B code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
- Inspect the torque calculation sensor and related wiring for any visible damage or issues
- Check the AFS control module for software updates or malfunctions
How to fix DTC P320B on BMW
To fix the DTC P320B code on a BMW, the following steps may be taken:
- Replace the malfunctioning torque calculation sensor if necessary
- Repair any faulty wiring or connections in the AFS system
- Update the software in the AFS control module to the latest version
How to erase DTC P320B on BMW
To erase the DTC P320B code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. After addressing the underlying issue causing the code, the mechanic can reset the system to remove the code 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
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