Code result
P0546
Exhaust Gas Temperature Sensor Circuit High
Moderate severity
What it means
The exhaust gas temperature sensor signal at bank 1, sensor 1 is above the upper diagnostic threshold. Typically open circuit or short to power.
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 open internally
highOne of the most commonly reported causes for this code — check this first.
Wiring open or disconnected
mediumA plausible cause — test and verify before replacing parts.
Related help
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