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U1129 Diagnostic Trouble Code Discussion for February 2007

Lost Communication With AMP Module


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Trouble Ticket Help Requests for DTC U1129
Help Request Posted
2001 Pontiac Grand Am SE 3.4L No Start, Cuts out VIN: 1G2NF52E11
U1129: loss of amp comm. ... 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