2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 286
5 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
Service instruction
none
2F6C - P0477 (DME)
2F6C - P0477
Information saved in
DME
Fault code
2F6C - P0477
Fault text
Exhaust-gas flap, activation
Fault description
Exhaust Pressure Control Valve Low
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
