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P0206 — Injector Circuit Open Cylinder 6
SeriousFuel/InjectionPower derate likely — plan to stop soon
Seen on: Heavy Truck/Diesel
Injector Circuit Open Cylinder 6. Common causes: Failed injector solenoid.
Don't risk it — get a diesel tech on the truck.
Look up listed providers near you and give them this code when you call.
How serious is it?
Serious. Power derate likely — plan to stop soon.
Most likely causes
- Failed injector solenoid
- Broken wiring
- corroded connector
First moves (roadside)
- Measure injector resistance
- check harness continuity
FAQ
What does P0206 mean?
Injector Circuit Open Cylinder 6. Common causes: Failed injector solenoid.
How serious is P0206?
Serious — Power derate likely — plan to stop soon.
What's the most likely cause of P0206?
The most common cause is: Failed injector solenoid. Other possibilities include Broken wiring; corroded connector.
Can I keep driving with P0206?
Power derate likely — plan to stop soon. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Throwing this code right now?
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.