2A43 - P107B

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

none

2A43 - P107B (DME)

2A43 - P107B

Information saved in

DME

Fault code

2A43 - P107B

Fault text

Valvetronic, thermal overload protection: warning threshold

Fault description

VVT-Overload Protection Control Motor Temperature Too High

Condition for fault identification

Test condition:

A temperature model is employed to monitor the VVT servo motor. When the calculated VVT motor temperature rises

beyond the warning threshold this fault code is entered. Terminal condition: Terminal 15 ON

Voltage condition: none

Condition for fault memory entry

Always active when DME is awake

VVT motor temperature: Warning threshold 190 锟斤拷C

Action in service

Check VVT servo motor

Allow engine to cool, let vehicle return to dormant state, Clear fault memory and verify that DME has most recent software version

Fault effect and breakdown warning

Driver information

Warning light:

ECE: No warning message. Engine reverts to VVT emergency backup mode (throttled operation) US: OPEN