Possible causes

– Faulty wastegate solenoid
– Wastegate solenoid harness is open or shorted
– Wastegate solenoid circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0243 Description

The ECM has detected a signal outside parameters on the wastegate solenoid circuit

P0243 Information for specific makes

P0243 VOLVO
P0243 MITSUBISHI
P0243 VOLKSWAGEN
P0243 AUDI
P0243 FORD