U0103Lost Communication with Airbag (SRS) Module
The airbag system cannot communicate with the other modules.
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
- SRS light on
- Airbags would not work correctly
Possible Causes
The components or conditions that trigger this code
- 1Open CAN bus
- 2Faulty SRS module
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Check the CAN wiring
- 2Inspect the SRS module
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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