Valuable info for those Gen V owners getting new Tire Pressure Sensors (TPS)
As the title says, this info is aimed specifically (and ONLY) at Viper Gen V (2013-2017) owners who are replacing their OEM tire pressure sensors as they install new tires. This is getting to be a more frequent situation as these cars age.
1. Remember: the Gen V TPS is not the same sensor as used on Gen III and IV Vipers.
2. The new Gen V sensors DO NOT need to be programmed to the module using any external instrument. They will connect automatically after a couple of miles of driving.
If after installation of new sensors into Gen V Viper whose system was working as you entered the tire shop and post installation you find that your new sensors do not display on the dash (either completely or partially), don't panic just yet...your new sensors are probably OK.
This situation recently happened to a friend as he motored home in his Gen V. The two front tires' pressures were displayed correctly, BUT there was no info from the rear tires.
Aside from my thoughts of "wrong sensors" or old stock with dead batteries, etc ( noting that I did offer to check the sensors' output with my Autel)..I placed a call to a Tom Sessions.
Tom had recently been asked to sort a similar issue on a Viper in his area. Tom suggested that when the the nut was tightened down on the metal valve stem, there may have been a slight turning of the sensor inside the tire. He told me that the sensor MUST be perfectly parallel with the edge of the rim in order to be read correctly. While this can be checked with a wiTECH 2.0, most of us do not have one home.
Tom suggested that the owner carefully mark the exact position of the valve stem, then carefully loosen the 11mm hex nut, and rotate the valve stem COUNTERCLOCKWISE a degree or two, then carefully tighten the nut, and go for a drive.
The owner did this, and was happy to see BOTH rear tire pressures were added to his dash display. Hopefully, one of YOU can explain to me why repositioning ONE sensor would make BOTH rear sensors display correctly.
Once again, Tom Sessions SAVED OUR ASP (s) !! Thanks Tom !!!
As a final aside, if you are planning to update your TPS's, I strongly suggest that you examine them yourself PRIOR to installation to be sure that you have the correct ones...whether they for a Gen III-IV Viper or Gen V Viper. Also check the date codes...especially if they came from a C-J-D-R dealership. It does not hurt to read their output with an Autel or Bartec BEFORE they are installed. These tools are commonly found at tire shops. These steps can save you a lot time, stress, and money !!
Thanks, again Tom !!!
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