Possible causes
– Faulty wastegate solenoid
– Wastegate solenoid harness is open or shorted
– Wastegate solenoid circuit poor electrical connection
– Wastegate solenoid harness is open or shorted
– Wastegate solenoid circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0243 AUDI Description
The ECM has detected a signal outside parameters on the wastegate solenoid circuit