Here are the typical solutions, arranged from most to least common:
The assistance might drop out randomly when the automatic Start-Stop engine cycle executes, or directly after a cold start.
D52C44 is a manufacturer-format diagnostic trouble code indicating a fault in the active steering control electronics. In BMW diagnostics this class of codes is usually logged by the steering control module (Active Steering ECU) when it detects internal errors, power/ground/communication faults, or inconsistent sensor/actuator data that compromise safe operation. bmw error-d52c44
Common low-level causes signalled by this code:
are best for reading these specific BMW communication codes? D52C44 and 210901 - 2010 2011 BMW 5 Series Forum F10 19 Oct 2023 — Here are the typical solutions, arranged from most
: The system may have lost its learned "end stops," requiring a reset.
The steering module requires a steady confirmation of the vehicle’s current charging and voltage state to operate its heavy-duty electric motor. When the DME broadcasts an invalid message or data stops flowing entirely, the EPS goes into a fail-safe mode. This hardens your steering. Common Symptoms of Error D52C44 Common low-level causes signalled by this code: are
on your iDrive display.