Error code
OBD2 U0019
OBD2U0019
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Low Speed CAN Communication Bus.
Severity
highDriving may be possible but could lead to further issues if not addressed.
Summary
U0019 indicates an issue with the low-speed Controller Area Network (CAN) data bus, which is responsible for communication between various control modules in your vehicle.
Common Causes
- Faulty CAN transceiver module
- Corroded or damaged wiring harness
Fixes
FAQ
What does U0019 mean?
U0019 indicates a problem with the low-speed CAN data bus, which is crucial for communication between vehicle modules.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 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 to Bus)
- U0010Medium Speed CAN Communication Bus
- U0011Medium Speed CAN Communication Bus (Performance)
- U0012Medium Speed CAN Communication Bus (Open)