11/07/2026
P0245 - Wastegate Solenoid Circuit Low: Check the Electrics First
A P0245 fault code means the ECU has detected a lower-than-expected voltage in the turbocharger wastegate solenoid A control circuit.
This is primarily an electrical fault. It does not confirm that the turbocharger or wastegate mechanism has mechanically failed.
โ๏ธ Wastegate control solenoid
Test the solenoid coil and compare its resistance with the manufacturerโs specification. An internally shorted or open solenoid can trigger P0245.
โ๏ธ Power supply
Verify that the solenoid receives the correct supply voltage. A blown fuse, relay issue or damaged supply wire can cause a low circuit reading.
โ๏ธ Wiring and connector
Inspect the harness for broken wires, rubbing, corrosion, loose terminals or a short to ground. Connection faults are a common reason for this code.
Mechanical wastegate checks may still be required if boost performance is affected, but the P0245 diagnosis should begin with the electrical circuit.
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