U0164Lost Communication with HVAC Control Module
The HVAC climate module cannot communicate.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
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
Aún no hay un anunciante en este espacio.
Symptoms You Will Notice
What you may observe when this code appears
- Climate control system inoperative
Possible Causes
The components or conditions that trigger this code
- 1Faulty HVAC module
- 2CAN bus problem
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Check the wiring
- 2Replace the HVAC 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
Quick Info
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