U0010moderate severityNetwork
Medium Speed CAN Communication Bus
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
General malfunction on the medium-speed CAN bus. This bus typically handles body electronics and comfort modules.
Symptoms
- Body electronics malfunctions
- Power window issues
- Interior lighting problems
- Door lock malfunctions
Common causes
- Medium-speed CAN wiring damage
- Module failure on MSCAN bus
- Termination resistor failure
- Connector corrosion
Diagnostic steps
- Measure MSCAN bus resistance
- Scope MSCAN signals
- Isolate modules on medium-speed bus
- Check for aftermarket accessories on MSCAN
Repair notes
Diagnose similarly to high-speed CAN but on the medium-speed bus circuit.
Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0028
Vehicle Communication Bus A Performance