2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction
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2A77 - P105A (DME)
2A77 - P105A
Information saved in
DME
Fault code
2A77 - P105A
Fault text
Control module, internal fault: Valvetronic output stage
Fault description
Internal Control Module VVT Error, Current Too High
Condition for fault identification
Test condition:
Escess current recognized on high side or low side transistors (ATIC61 diagnosis)
Terminal condition: Terminal 15 ON Voltage condition:
Battery voltage > 9.953125V and battery voltage < 25.898438V
Condition for fault memory entry
0.2
Action in service
Ignition off, let control module return to dormant state as indicated, restart
If Item 1 is not OK, it will be necessary to check the electronics in the control module
Fault effect and breakdown warning
Driver information
Warning light:
Fault entry in info memory only
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