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U1000 Diagnostic Trouble Code Discussion for February 2007

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1000
Help Request Posted
2001 Pontiac Grand Am SE 3.4L No Start, Cuts out VIN: 1G2NF52E11
U1000: Class 2 Communication Malfunction. ... RESTARTES AFTER 5MIN OF SITTING OFF. CUST STAYED THAT TUMBLUR WAS CHANGE THREE WEEKS AGO FOR A NO START PROMBLE. CUST SAID THAT IT WAS OK FOR ABOUT A WEEK AND THEN A CRANK NO START CONDITION STARTED TRYS TO START, THEN WAITS CAR START. FOUNF FUEL PRESSURE ...
February 01, 2007
2002 Nissan Altima SE 3.5L MIL Lamp on VIN: 1N4BL11E72
U1000: Controller Area Network Line Malfunction. I have the tsb on this vehicle for U1000 code that calls for cleaning the grounds. That is where I was going to start, since a bad ground could cause a bunch of problems. The problem is that there are a lot of ground locations and in the TSB they also talk abo...
February 22, 2007