U0016Medium Speed CAN Communication Bus Off
A controller on the medium-speed comfort bus has shut its transceiver off after too many consecutive transmit errors. Comfort and body functions stop responding until the bus recovers or is repaired.
Can I keep driving? NO
STOP the vehicle in a safe place. Continuing to drive may cause serious engine damage or put your safety at risk.
Sistema Afectado
Red CAN · Comunicación entre módulos
Falla de comunicación en la red CAN: pérdida de datos entre las unidades de control (ECU).
Espacio para vendedores de repuestos
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Symptoms You Will Notice
What you may observe when this code appears
- Multiple warning lights may illuminate Affected modules may go into limp mode or shut down Specific functions inoperative depending on module Diagnostic tools may show communication faults
Possible Causes
The components or conditions that trigger this code
- 1Wiring short forces bus-off state One failing node corrupts traffic Gateway module routing CAN messages incorrectly
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: hard. Estimated time: 1-5 hours. Estimated cost: €80-€
- 2Professional repair recommended
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Communication modules
* Diagnosis only: $50–$150
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