U0056
LIN Bus B Communication Performance
2002-2008 Jaguar X-Type 2.5L V6
Low SeverityNetworkGeneric (SAE)
Description
Communication on LIN bus B is degraded or intermittent.
Symptoms
- Specific LIN B devices intermittent
- HVAC blend door actuator issues
- Seat heater communication errors
Common Causes
- LIN bus B wiring degradation
- LIN slave device fault on bus B
- High resistance in LIN B circuit
Diagnostic Steps
- Check LIN bus B voltage levels
- Test LIN B wiring resistance
- Inspect LIN B device connections
- Test individual LIN B slave devices
Repair Notes
Check LIN bus B wiring and slave device connections.
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
- U0010Medium Speed CAN Communication Bus
U0056 on Other Vehicles
Jaguar E-PACE
2018-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 2.0L I4 Turbo
Jaguar F-PACE
2017-2024 3.0L V6 Supercharged
Jaguar F-Type
2014-2024 3.0L V6 Supercharged
Jaguar F-Type R
2014-2024 5.0L V8 Supercharged
Jaguar I-PACE
2019-2024 Electric AWD
Jaguar S-Type
2000-2008 3.0L V6
Jaguar XE
2017-2024 2.0L I4 Turbo
Common Questions
What does code U0056 mean on a 2002-2008 Jaguar X-Type?
U0056 stands for "LIN Bus B Communication Performance". Communication on LIN bus B is degraded or intermittent.
What are the symptoms of U0056 on a Jaguar X-Type?
Common symptoms of U0056 include: Specific LIN B devices intermittent, HVAC blend door actuator issues, Seat heater communication errors.
What causes U0056 on a 2002-2008 Jaguar X-Type?
Common causes of U0056 include: LIN bus B wiring degradation, LIN slave device fault on bus B, High resistance in LIN B circuit.