B0166HVAC Discharge Air Temperature Sensor
The HVAC control module reports an implausible signal from the discharge (vent outlet) air temperature sensor. This sensor verifies that the actual outlet air temperature matches the commanded value.
Can I keep driving? Yes
You can keep driving normally. Schedule a check soon so emissions and performance are not affected.
Sistema Afectado
Carrocería · Confort y seguridad (SRS)

Corresponde a la carrocería: airbags (SRS), climatización, cierre centralizado o iluminación.
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
- Warning light or symbol related to the affected system Comfort or safety function impaired
Possible Causes
The components or conditions that trigger this code
- 1Discharge air temp sensor failed Wiring or connector fault
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.5-2 hours. Estimated cost: €50-€
- 2DIY possible
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)
SRS / body modules
* Diagnosis only: $50–$150
Quick Info
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