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How do you fix code p 1811 on a 2005 buick lacrosse
Vehicle: buick lacrosse 2005 v6

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HI there

This code is usually the result of a faulty pressure solenoid or a problem with the wiring harness. It's basically stating it's taking to long to shift.

P1811 BUICK - Maximum Adaptive & Long Term Shift

Read more: https://www.autocodes.com/p1811_buick.html

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