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U2109 Diagnostic Trouble Code Discussion for May 2011

Lost communication with pcm


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Trouble Ticket Help Requests for DTC U2109
Help Request Posted
2005 Pontiac G6 3.5L No Start, Stall VIN: 1G2ZG52855
U2109: Lost communication with pcm. Vehicle came in for stalling at times and would have to wait to restart. After letting sit for approx 10 min. Vehicle would restart. Vehicle would always crank. On test drive, noticed that when vehicle would stall, nothing on that data changes. (we dont lose d...
May 25, 2011
2005 Pontiac G6 3.5L No Start, Stall VIN: 1G2ZG52855
U2109: Lost communication with pcm. Vehicle came in for stalling at times and would have to wait to restart. After letting sit for approx 10 min. Vehicle would restart. Vehicle would always crank. On test drive, noticed that when vehicle would stall, nothing on that data changes. (we dont lose d...
May 25, 2011