Code result
P0549
Exhaust Gas Temperature Sensor Circuit High
Moderate severity
What it means
Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 1: the signal voltage is above the expected range. The ECU uses this temperature to protect the catalyst and diesel particulate filter.
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
Signal shorted to supply
highOne of the most commonly reported causes for this code — check this first.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Supply wire pinched against B+ source
lowLess common, but worth ruling out after the more likely causes.
Related help
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