P320C – BMW DTC

BMW DTC P320C – Message Monitoring Torque Calculation AFS Plausibility

DTC P320C meaning on BMW

The DTC P320C code on a BMW refers to the Message Monitoring Torque Calculation AFS Plausibility fault. This fault code indicates an issue with the Adaptive Front Lighting System (AFS) torque calculation monitoring, where the calculated torque values are deemed implausible.

BMW DTC P320C symptoms

Symptoms of the BMW DTC P320C code may include erratic behavior of the AFS system, such as improper headlight alignment, inconsistent lighting patterns, or failure of the AFS system to function correctly.

BMW DTC P320C causes

The causes of the DTC P320C fault on a BMW can vary, but common reasons include faulty sensors related to the AFS system, wiring issues, software glitches, or problems with the AFS control module.

BMW DTC P320C seriousness

While the DTC P320C fault code may not directly affect the drivability of the vehicle, it can impact the performance and functionality of the AFS system, which is crucial for proper illumination and visibility during nighttime driving or in low-light conditions.

How to diagnose DTC P320C on BMW

To diagnose the DTC P320C code on a BMW, a diagnostic scan tool capable of reading BMW-specific fault codes is required. The technician will need to inspect the AFS system components, including sensors, wiring, and control modules, to identify the root cause of the fault.

  • Perform a comprehensive visual inspection of the AFS system components.
  • Use a diagnostic scan tool to retrieve the DTC P320C fault code and any related codes.
  • Check the wiring harness and connectors for any signs of damage or corrosion.
  • Test the AFS sensors for proper functionality and alignment.
  • Inspect the AFS control module for any faults or software issues.

How to fix DTC P320C on BMW

Fixing the DTC P320C fault on a BMW typically involves addressing the underlying cause of the issue within the AFS system. Depending on the diagnosis, potential solutions may include:

  • Replacing faulty AFS sensors or components.
  • Repairing damaged wiring or connectors.
  • Updating the software of the AFS control module.
  • Performing a recalibration of the AFS system.
  • Clearing the fault code and performing a test drive to ensure proper functionality.

How to erase DTC P320C on BMW

To erase the DTC P320C fault code on a BMW, a diagnostic scan tool with the capability to clear fault codes is required. Follow these steps to erase the fault code:

  1. Connect the diagnostic scan tool to the BMW’s OBD-II port.
  2. Select the option to clear fault codes from the menu of the scan tool.
  3. Confirm the action to clear the DTC P320C fault code from the vehicle’s memory.
  4. Disconnect the scan tool and start the vehicle to ensure the fault code has been successfully erased.

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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