Monday, September 16, 2019

2A41 - P1075

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction



none









2A41



2A41 - P1075







Information saved in



DME









Fault code



2A41 - P1075









Fault text



Valvetronic, electrical overload protection









Fault description



VVT-Overload Protection (Bank 1)









Condition for fault identification



Test condition:





Electrical overload protection





The engine management monitors the VVT motor's current draw. If the monitored current draw exceeds a defined threshold for several seconds the VVT system is deactivated (VVT emergency operation mode), and the engine reverts to throttled operation.





Always active provided that fault codes #10813,#10816,





#10819 are not present. Terminal condition: none Voltage condition:





none









Condition for fault memory entry



Warning threshold: 112 锟斤拷C DME internal driver circuit temperature





Deactivation threshold: 126 锟斤拷C internal DME driver circuit temperature









Action in service



Check for correct reluctor attachment at VVT sensor.



Defective VVT servo motor (for instance, interturn short



circuit) Check servo motor and replace as indicated (Clear fault memory / switch ignition terminals)





Check VVT motor wiring harness between VVT motor and DME for shorts between both VVT motor wires and vehicle ground.







Fault effect and breakdown warning







Driver information Warning light: MIL ON

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