WebThe TFP switch 5 has an internal case ground. TFP switch 5 is normally closed, or Low. When oil pressure is present at the TFP switch 5, the switch is open, or High. The normally high clutch pressure control (PC) solenoid 3 controls pressure to the R1/4-5-6 clutch regulator valve. The TCM monitors the TFP switch 5 to determine the position of ... P1810: Transmission Fluid Pressure Manual Valve Position Switch OBD-II Trouble Code If you see a TFP manual valve position switch DTC, it means that the transmission control module cannot determine the correct line pressure, which could impact the shift quality and torque converter operation. … See more If the transmission is operating with the line pressure too high, it will not only make the vehicle difficult to drive, it could seriously damage the internal transmission parts. See more In order to diagnose a P1810 DTC, a number of electrical tests will need to be performed to determine if the TCM is detecting the correct gear. See more
P1810 – What Does It Mean and How To Fix It - OBD2PROS
Web5 Jan 2013 · TFP Switch 3 — the state of the. 2-6 clutch pressure switch. The scan. tool displays HI/LOW. The switch will. display LOW in Park, Reverse, Neutral, 2 nd and 6 th . TFP Switch 4 — the state of the 1-2-3-4 clutch pressure switch. The scan. tool displays HI/LOW. The switch will. display LOW in all gears except 5 th. and 6 th . TFP Switch 5 ... WebThe following are solutions that may fix this problem: Repair or replace any wiring that is damaged. Replace the TFP Valve Position Switch. Replace the Manifold Pressure Switch. … simrad class b ais
20 GENERAL MOTORS 4T65E - Microsoft
WebImportant: Before installing the new TFP switch, inspect the date code stamped in the switch. The date code MUST BE 2308 or higher. Refer to Figure 1 on the next page. 2. Replace the TFP switch. Refer to Transmission Fluid Pressure (TFP) Manual Valve Position Switch Replacement (SI Document ID #803989). 3. Clear the code and road test the vehicle. http://www.ls1truck.com/forums/diagnostics-troubleshooting/41117-4l80e-p1810-help.html Web4 Aug 2024 · When oil pressure is present at the TFP switch 4, the switch is open or HIGH. The normal LOW pressure control solenoid 5 controls pressure to the 1-2-3-4 clutch … simrad chart updates