P0544:
What Does P0544 Mean?
P0544: Exhaust Gas Temperature Sensor (Bank 1 Sensor 1). Relates to vehicle speed, idle control, cruise control, or auxiliary systems.
What To Do Next
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1
Find your vehicle above
Click on your make and model for detailed data specific to your vehicle, including real owner reports and common causes.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.