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U0401 Diagnostic Trouble Code Discussion for October 2011

Implausible Data Received From ECM / PCM

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Trouble Ticket Help Requests for DTC U0401
Help Request Posted
2007 Jeep Grand Cherokee Laredo 3.7L Communication Codes VIN: 1J8GS48K87
U0401: Implausible Data Received From ECM/PCM. Repeated comeback with various communication codes stored. No check engine light on. mostly lost comm. with electric gear shift module and lost comm. with steering coloumn module, implausible data codes stored in Pcm, Tcm, Abs, Esm, Fcmcgw. Original customer c...
October 10, 2011