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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.
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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.