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P1811 Diagnostic Trouble Code Discussion for December 2008

Maximum Adaptive And Long Term Shift

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Trouble Ticket Help Requests for DTC P1811
Help Request Posted
2002 Buick Century Custom 3.1L Misfire VIN: 2G4WS52J12
P1811: Maximum Adaptive & Long Term Shift. ... She had complaned for some time about it losing coolant and the transmission would shift hard at times. finaley we got a trouble code P1811 max adapt and long shift to set. she said that when she was passing a car on the highway it would shift hard. since ...
December 09, 2008