Wednesday, 11 September 2019

2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 94

2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 94



Valvetronic, thermal overload protection



Fault description



VVT-Overload Protection ECU-Temperature High Input



(Bank 1)



Condition for fault identification



Test condition:



Monitoring of maximum transistor temperature



Terminal condition: Terminal 15 ON



Voltage condition:



none



Condition for fault memory entry



0.03



Action in service



1. Repeat the diagnostic routine once the vehicle cools



2. If Item 1 is not OK, it will be necessary to proceed to an



examination of the control module's electronic circuitry



Fault effect and breakdown warning



Driver information



Warning light:



Emergency default mode 2



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



1. Check for correct reluctor attachment at VVT sensor.



2. Defective VVT servo motor (for instance, interturn short