LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2019 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Automatic Transmission - 8L45 (M5N) Or 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 2018 Cadillac CTS. 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.