DTC P1820 (3.5L): Notes

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Transmission Internal Mode Switch (IMS) Circuit Schematic (3.5L)

Courtesy of GENERAL MOTORS CORP.