P0477

2F6C - P0477

Information saved in
DME

Fault code
2F6C - P0477

Fault text
DME2: Exhaust-gas flap, activation

Fault description
Exhaust-gas flap, activation

Condition for fault identification
Test condition:
Voltage at Pin 4-18 less than 3V
Terminal condition: Terminal 15
Voltage condition:
9.5 < U < 17.9

Condition for fault memory entry
n> 40 rpm

Action in service
Stecker / check wiring harness, otherwise replace DME

Fault effect and breakdown warning
Valve is closed without power supply, possible performance
loss

Driver information
Warning light:
none

Service instruction
none