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Engine cpu not talking to OBD2

65Stang3

New Member
Dec 25, 2019
9
2
Truck Year
2015
2015 Laramie with 68k miles. 2nd owner. Owned for 6 months.
It just threw a check engine light on the morning of the second day of camping. Local garage couldn’t communicate to the ecu. Found a shop with a professional grade scanner. Scanned the entire system with not codes. Tried scanning just the engine control ecu and couldn’t talk to it! The truck seems to run fine. Anyone seen this? Do I have to go to the ‘stealer’ to have them look at it??
 
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