P0246 — Turbocharger Wastegate Solenoid High
Seen on: Heavy Truck
Turbocharger Wastegate Solenoid High. Common causes: Wastegate solenoid circuit open.
Your code rides along, so nearby mechanics see the fault before they quote you.
How serious is it?
Serious. Power derate likely — plan to stop soon.
Most likely causes
- Wastegate solenoid circuit open
- Open wire
- failed solenoid
First moves (roadside)
- Check solenoid circuit continuity
- replace solenoid
FAQ
Turbocharger Wastegate Solenoid High. Common causes: Wastegate solenoid circuit open.
Serious — Power derate likely — plan to stop soon.
The most common cause is: Wastegate solenoid circuit open. Other possibilities include Open wire; failed solenoid.
Power derate likely — plan to stop soon. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Find a mechanic or related guides
General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.