U0010moderate severityNetwork
Medium Speed CAN Communication Bus
on 2010 Volkswagen Jetta 2.5L I5 · 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.
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
Engine Control Module (ECM) - no communications
01315
Transmission Control Module (TCM) - No Communication
01316
ABS Control Module - No Communication
01317
Instrument Cluster Control Module (J285) - No Communication
01318
Immobilizer Control Module - No Communication
01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus