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U0010 — Medium Speed CAN Communication Bus Fault
CautionNetwork/CANLimp to the next safe stop
Seen on: Heavy Truck
Medium Speed CAN Communication Bus Fault. Common causes: MSCAN bus failure.
Don't risk it — get a diesel tech on the truck.
Your code rides along, so nearby mechanics see the fault before they quote you.
How serious is it?
Caution. Limp to the next safe stop.
Most likely causes
- MSCAN bus failure
- Body network wiring fault
First moves (roadside)
- Check medium speed CAN bus wiring and terminators
FAQ
What does U0010 mean?
Medium Speed CAN Communication Bus Fault. Common causes: MSCAN bus failure.
How serious is U0010?
Caution — Limp to the next safe stop.
What's the most likely cause of U0010?
The most common cause is: MSCAN bus failure. Other possibilities include Body network wiring fault.
Can I keep driving with U0010?
Limp to the next safe stop. 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.