p0877

I have a 2010 Buick Lacrosse CXL AWD 3.0L with 97,495 miles. It had a code P0877 - Transmission Fluid Pressure (TFP) Switch 4 Circuit Low Voltage. This is a known issue with the GM 6T70 transmissions. I repaired the faulty TFP switches using the Sonnax repair kit and used the factory service...