P0535Low SeverityEngine

A/C Evaporator Temperature Sensor Circuit Malfunction

What This Means

The A/C evaporator temperature sensor circuit has a malfunction. This sensor prevents the evaporator from freezing by monitoring its temperature.

Common Symptoms

A/C ices up
Inconsistent cooling
No A/C operation
Check engine light on

Common Causes

Faulty evaporator temp sensor
Wiring issue
Connector corrosion
Frozen evaporator
PCM circuit failure

Estimated Repair Cost

$75 – $350

Parts and labor (varies by vehicle and location)

Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.