2F6C - P0478

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

none

2F6C - P0478 (DME)

2F6C - P0478

Information saved in

DME

Fault code

2F6C - P0478

Fault text

Exhaust-gas flap, activation

Fault description

Exhaust Pressure Control Valve High

Condition for fault identification

Test condition:

Exhaust valve control-activation monitor Component must be installed

Tester must be used to trigger component for 10 sec. Terminal condition: Terminal 15 ON

Voltage condition:

Voltage in onboard electrical system > 10 V

Condition for fault memory entry

2 sec.

Action in service

1. Check wiring Repair if defective

If wiring is OK proceed

to check component (which and how?)

Fault effect and breakdown warning

Driver information Warning light: No display