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U1128 Diagnostic Trouble Code Discussion for January 2007

Loss of Communication With Radio

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Trouble Ticket Help Requests for DTC U1128
Help Request Posted
2004 Pontiac Grand Am SE1 3.4L No Start, extended crank VIN: 1G2NF52E34
U1128: Loss of IRC comm. ... extended crank time when starting the car. This seems to happen under all conditions (hot, cold, etc). One time the car would only crank and not start (she said the theft light was NOT flashing), but when she tried it later and it started, the MIL and Trac...
January 16, 2007