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Need help with 2013 ATS 2.5L - coolant temp gauge not working

8K views 5 replies 3 participants last post by  The Black Stig 
#1 ·
Hello I need help with this 13 Cadillac ATS 2.5l purchased from an auction with 127k it had a check engine light with the temp gauge not working and stuck on cold , so I scanned it and read coolant temp sensor , I have changed the the sensor that’s located near the radiator and also replaced the thermostat, the check engine light turned off but the temperature gauge isn’t working can someone help me figure out this problem please and thank you !!
 
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