Error code
OBD2 P0246
OBD2P0246
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Turbo/Super Charger Wastegate Solenoid 'A' High.
Severity
moderateCan drive, but performance issues may occur and the code should be addressed soon.
Summary
P0246 indicates that the turbocharger wastegate regulating valve A circuit voltage is higher than expected. This issue typically affects vehicles with turbochargers.
Common Causes
- Wiring short to positive
- Faulty TC wastegate regulating valve
- ECM malfunction
Diagnosis
- Check the resistance of the wastegate solenoid using a digital multimeter.
- Verify voltage on the wiring when ignition is off (should be zero) and on (5 or 12 volts).
- Inspect ground connection for the wastegate solenoid.
Fixes
- Replace faulty TC wastegate regulating valve.
FAQ
What causes P0246?
Common causes include wiring issues, a faulty wastegate solenoid, or problems with the PCM.
How do I diagnose P0246?
Use a multimeter to check resistance and voltage on the wastegate solenoid and its wiring.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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