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Home/DTC Codes/Renault/Kwid/2017-2025 1.0L I3 SCe Flex/U0056
U0056

LIN Bus B Communication Performance

2017-2025 Renault Kwid 1.0L I3 SCe Flex 🇩🇪

Low SeverityNetwork

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

  1. Check LIN bus B voltage levels
  2. Test LIN B wiring resistance
  3. Inspect LIN B device connections
  4. Test individual LIN B slave devices

Repair Notes

Check LIN bus B wiring and slave device connections.

Related Codes

U0037LIN Bus A Communication Performance

Other Network Codes

U0056 on Other Vehicles

Renault Arkana

2021-2024 1.3L I4 TCe

Renault Arkana

2021-2024 1.6L Hybrid

Renault Arkana

2021-2025 1.3L I4 TCe 140

Renault Arkana

2021-2025 1.6L I4 Hybrid E-Tech 145

Renault Arkana FR

2021-2025 1.3L I4 Turbo TCe 140

Renault Arkana FR

2021-2025 1.6L I4 Hybrid E-Tech 145

Renault Austral

2022-2025 1.2L I3 Hybrid E-Tech

Renault Austral

2022-2025 1.3L I4 TCe 140

Common Questions

What does code U0056 mean on a 2017-2025 Renault Kwid?

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 Renault Kwid?

Common symptoms of U0056 include: Specific LIN B devices intermittent, HVAC blend door actuator issues, Seat heater communication errors.

What causes U0056 on a 2017-2025 Renault Kwid?

Common causes of U0056 include: LIN bus B wiring degradation, LIN slave device fault on bus B, High resistance in LIN B circuit.

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