P1649 – BMW DTC

BMW DTC P1649 – Internal Control Module Random Access Memory (RAM) Writing Error

DTC P1649 meaning on BMW

The DTC P1649 on a BMW indicates an Internal Control Module Random Access Memory (RAM) Writing Error. This means that there is an issue with the module responsible for storing and accessing data in the vehicle’s memory.

BMW DTC P1649 symptoms

Symptoms of the BMW DTC P1649 may include:

  • Check Engine Light illuminated
  • Vehicle may experience performance issues
  • Problems with starting the vehicle

BMW DTC P1649 causes

Common causes of the BMW DTC P1649 include:

  • Corrupted memory data
  • Internal control module malfunction
  • Wiring or connection issues

BMW DTC P1649 seriousness

The seriousness of the BMW DTC P1649 depends on the extent of the issue. Ignoring this error code can lead to further damage to the vehicle’s control module and affect its overall performance.

How to diagnose DTC P1649 on BMW

To diagnose the DTC P1649 on a BMW, a mechanic would typically:

  • Use a diagnostic scanner to retrieve the error code
  • Inspect the control module and wiring for any visible damage
  • Perform a memory test to check for data corruption

How to fix DTC P1649 on BMW

Fixing the BMW DTC P1649 may involve:

  • Resetting the control module to clear the error code
  • Repairing any wiring or connection issues
  • Replacing the control module if necessary

How to erase DTC P1649 on BMW

To erase the DTC P1649 on a BMW, a mechanic can use a diagnostic scanner to clear the error code from the vehicle’s memory. Once the issue has been fixed, the code can be erased to reset the system.