Code result
P0545
Exhaust Gas Temperature Sensor Circuit Low
Moderate severity
What it means
The exhaust gas temperature sensor signal at bank 1, sensor 1 is below the lower diagnostic threshold. Indicates short to ground or sensor fault.
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
EGT sensor internally faulty
highOne of the most commonly reported causes for this code — check this first.
Signal wire shorted to ground
mediumA plausible cause — test and verify before replacing parts.
Related help
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