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U1000 Diagnostic Trouble Code Discussion for January 2015

Class 2 Communication Malfunction

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Trouble Ticket Help Requests for DTC U1000
Help Request Posted
1998 Chevrolet S10 LS 2.2L No Start, Misfire VIN: 1GCCS1946W
U1000: No state of health from module. Plugs are gas fouled changed and still no start , pops back through intake like its out of time , replaced ign module no change, checked timing chain its right on, sometimes it will start if you hold it to the floor and seems to run ok after ya get it started....
January 08, 2015
2008 Nissan Frontier LE 4.0L No Start, no crank VIN: 1N6AD07W58
U1000: CAN communication circuit fault. we received this truck as a no start.customer replaced coils and plugs said ran fine most of that day started to run bad that evening.the next morning no start no crank.he jumped with no change.we put on scanner no communications with ECM IPC BCM and IPDM..the...
January 26, 2015