Code result
B0158
Ambient Air Temperature Sensor Circuit
Moderate severity
What it means
The HVAC control module has detected an implausible signal from the ambient air temperature sensor used by the climate control system. Symptoms include incorrect outside temperature display and erratic automatic climate behavior.
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
Ambient air temperature sensor failed
highOne of the most commonly reported causes for this code — check this first.
Wiring or connector fault
mediumA plausible cause — test and verify before replacing parts.
Related help
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