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U0100 Diagnostic Trouble Code Discussion for May 2025

Lost Communication With ECM


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Trouble Ticket Help Requests for DTC U0100
Help Request Posted
2013 Nissan Titan S 5.6L No Start VIN: 1N6AA0EJ7D
U0100: Loss of communication ECM A Current. Initially vehicle came in for crank no start, scanned dtcs and no communication with abs or pcm with key on. Then about 5 minutes with key on, idpm randomly clicked relays and communication was present- replaced idpm and performed relearn procedure. Vehicl...
May 05, 2025