Monday, April 13, 2020

2010-2020 BMW 128i Diagnostic and Repair Information

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