LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Automatic Transmission - 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P27A7-P27AD >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

The following components have a unique current versus oil pressure characteristic that is used to properly upshift or downshift the transmission: Transmission Control Solenoid Valve 1, 2, 3, 4, 5, 6, 7

The data for each solenoid valve is programmed into the control module K71.

scientia non olet · About LEMON Manuals