DTC P0846: Pressure Switch Solenoid "D" Circuit Stuck Open: Notes
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For circuit identification, see CONNECTOR IDENTIFICATION and WIRING DIAGRAMS
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NOTE:
Transmission pressure switch solenoid "D" communicates with the TCM through the fluid pressure switch signal "B" circuit (1225).