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Hi I've a 2015 Ram Ecodiesel yesterday i was replacing the puddle lights on the mirror and unfortunately i broke the ambient temp sensor.

C

Cuban100%

New Member
Aug 18, 2020
5
1
Truck Year
2015
Today I started and notice that I've an engine light on and says on the messages that DEF service see dealer. Also my A/C stop to blow cold air i guess that the A/C issue was a cause for the ambient temp sensor but also the DEF light too?? What are you guys think, thanks
 
TC Diesel

TC Diesel

Well-Known Member
Jul 14, 2016
2,489
711
Truck Year
2015
No relationship....The most likely cause for the Message is plugged DEF Injector ,remove and clean Injector , delete the code and see if fixed.
 
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