2A34 - P102C

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

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2A34

2A34 - P102C

Information saved in

DME

Fault code

2A34 - P102C

Fault text

Valvetronic, eccentric shaft sensor: reference

Fault description

VVT-Reference Sensor Diagnostic Error (Bank 1)

Condition for fault identification

Test condition:

Internal VVT reference sensor monitor

No faults related to the sensor voltage supply should be present (fault code #10800) and there should be no faults or SPI parity faults related to the VVT sensor (fault code

#10801) or (fault code #10802) Terminal condition: Terminal 15 ON Voltage condition:

Electrical system voltage terminal 87 >10.0 V

Condition for fault memory entry

20 ms

Action in service

Sensor replacement

Fault effect and breakdown warning

Driver information

Warning light:

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