GMC P1816: TFP Manual Valve Position Switch Circuit Malfunction
Is your scanner showing GMC P1816?
No worries. We'll show you what it means and how to deal with it.
GMC P1816: TFP Manual Valve Position Switch Circuit Malfunction
OVERVIEWWhat Are The Symptoms Of The GMC P1816 Code?
What Are The Potential Causes Of The GMC P1816 Code?
- Faulty Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
- TFP Valve Position Switch harness is open or shorted
- TFP Valve Position Switch circuit poor electrical connection
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> KAIWEETS Digital Multimeter
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Technical Service Bulletin PIP5094 for P1816 – General Motors
