× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

U1129 Diagnostic Trouble Code Discussion for February 2007

Lost Communication With AMP Module


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

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