DTC P0873: Pressure Switch Solenoid "E" Circuit High: Notes
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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 "E" communicates with the TCM through the fluid pressure switch signal "C" circuit (1226).