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U1001 Diagnostic Trouble Code Discussion for March 2012

Lost Communication With XXX Control Module

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Trouble Ticket Help Requests for DTC U1001
Help Request Posted
2003 Nissan Altima SE 3.5L MIL Lamp on, instrument cluster VIN: 1N4BL11D93
U1001: Controller Area Network Line Malfunction. This fault does not happen at every key start when it does accure the instrument are inop and so is the HVAC. I am hoping someone else has run into this before and has a good way to check for communication on the can lines. I found a tech tip in my [...] to do...
March 08, 2012