Code result
B0250
HVAC Air Temperature Internal Sensor Circuit
Moderate severity
What it means
The HVAC controller has detected a fault in the internal cabin air temperature sensor circuit, used to regulate climate control output.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Sensor element failure
highOne of the most commonly reported causes for this code — check this first.
Aspirator/blower fan dirty
mediumA plausible cause — test and verify before replacing parts.
Open wiring to sensor
mediumA plausible cause — test and verify before replacing parts.
Related help
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