P0871 GMC - Pressure Switch Solenoid 'E' Circuit Stuck Open
P0871 GMC Possible Causes
- Faulty Pressure Switch Solenoid 'E'
- Pressure Switch Solenoid 'E' harness is open or shorted
- Pressure Switch Solenoid 'E' circuit poor electrical connection
How do I fix code P0871 GMC?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the P0871 GMC code
Labor: 1.0The cost of diagnosing the P0871 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission will not shift gears.
P0871 GMC DescriptionThe pressure switch manifold (PSM) is a multiple-switch assembly made up of three normally open (N/O) and one normally closed (N/C) pressure switches. The E pressure switch monitors E shift valve positioning and relays it to the transmission control module (TCM). When E pressure switch is in the open state, E shift valve should be in the unstroked position.
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