P1681

P1681

Electric exhaust flap

NOTE: Only for Carrera S increased performance (X51).

Diagnostic conditions
- Power supply voltage > 7 V
- Engine running
- Switch exhaust flap on and off with button

Possible fault causes
- Short circuit to B+/ground or open circuit in the control line
- Open circuit of power supply to exhaust flap solenoid valve
- Exhaust flap solenoid valve faulty
- DME control module faulty