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U1601 Diagnostic Trouble Code Discussion for February 2022

Ecu application software code 1 missing or corrupted


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Trouble Ticket Help Requests for DTC U1601
Help Request Posted
2008 Dodge Ram 3500 SLT 6.7L No Start VIN: 3D6WH46A88
U1601: Ecu application software code 1 missing or corrupted. I hope someone can help with this. Previously replaced ecm months ago, and truck recently towed in died on road and no restart, no crank issue. I retrieved the above codes. I have checked all powers and grounds to ecm, and data lines, and all have good vol...
February 19, 2022