Medium Speed CAN Communication Bus
1995-2005 Pontiac Sunfire 2.2L I4
Description
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.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0028Vehicle Communication Bus A Performance
U0010 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code U0010 mean on a 1995-2005 Pontiac Sunfire?
U0010 stands for "Medium Speed CAN Communication Bus". General malfunction on the medium-speed CAN bus. This bus typically handles body electronics and comfort modules.
What are the symptoms of U0010 on a Pontiac Sunfire?
Common symptoms of U0010 include: Body electronics malfunctions, Power window issues, Interior lighting problems, Door lock malfunctions.
What causes U0010 on a 1995-2005 Pontiac Sunfire?
Common causes of U0010 include: Medium-speed CAN wiring damage, Module failure on MSCAN bus, Termination resistor failure, Connector corrosion.