Code result
P0074
Ambient Air Temperature Sensor Circuit Intermittent
Moderate severity
What it means
Intermittent dropouts or noise on the ambient air temperature sensor A signal — typically a loose connector or chafed wiring.
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
Connector loose or corroded
highOne of the most commonly reported causes for this code — check this first.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Harness routed against vibrating component
lowLess common, but worth ruling out after the more likely causes.
Related help
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