P1805 – BMW DTC

BMW DTC P1805 – Roadway Tilt Invalid CAN Signal From Vehicle Dynamics Control Module

DTC P1805 meaning on BMW

The Diagnostic Trouble Code (DTC) P1805 for BMW indicates a Roadway Tilt Invalid CAN Signal From Vehicle Dynamics Control Module. This means that the vehicle’s onboard computer has detected an issue with the communication signal related to the roadway tilt information from the Vehicle Dynamics Control Module.

BMW DTC P1805 symptoms

Symptoms of DTC P1805 on a BMW may include:

  • Warning lights on the dashboard
  • Loss of stability control
  • Unexpected vehicle behavior

BMW DTC P1805 causes

Possible causes of DTC P1805 on a BMW include:

  • Faulty Vehicle Dynamics Control Module
  • Issues with the CAN communication system
  • Wiring or connection problems

BMW DTC P1805 seriousness

The seriousness of DTC P1805 on a BMW depends on the driving conditions and the extent of the issue. It is recommended to address this problem promptly to ensure the vehicle’s safety and performance.

How to diagnose DTC P1805 on BMW

To diagnose DTC P1805 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Check the wiring and connections related to the Vehicle Dynamics Control Module
  3. Inspect the Vehicle Dynamics Control Module for any visible damage

How to fix DTC P1805 on BMW

To fix DTC P1805 on a BMW, you can try the following:

  1. Repair or replace any damaged wiring or connections
  2. Replace the Vehicle Dynamics Control Module if necessary
  3. Clear the fault codes and perform a test drive to ensure the issue is resolved

How to erase DTC P1805 on BMW

To erase DTC P1805 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. After clearing the codes, it is recommended to perform a test drive to verify that the issue has been resolved.

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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