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U0401 Diagnostic Trouble Code Discussion for March 2018

Implausible Data Received From ECM / PCM


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Trouble Ticket Help Requests for DTC U0401
Help Request Posted
2016 Ford Explorer XLT 3.5L Stall VIN: 1FM5K8D88G
U0401: PSCM PAM invalid data from PCM. I am the 4th tech to look at this. Will stall when they stop at end of drive to get mail and will restart ok, wrench light comes on,if they don't stop it won't stall and usually ok for the rest of the day. Never had any PCM codes. The last tech could not d...
March 27, 2018