P1126Thermostat Function
Nissan detects that the engine does not reach the expected operating temperature (thermostat).
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Can I keep driving? Yes
You can keep driving normally. Schedule a check soon so emissions and performance are not affected.
Sistema Afectado
Motor · Powertrain
La falla pertenece al grupo motopropulsor (motor y gestión electrónica).
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
- Engine reads cold permanently
- High consumption
- Weak heating
Possible Causes
The components or conditions that trigger this code
- 1Thermostat stuck open
- 2Faulty ECT sensor
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Replace the thermostat
- 2Check the coolant temperature sensor
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)
Varies by diagnosis
* Diagnosis only: $50–$150
Quick Info
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