HBO_frenchy
New member
TPMS trouble
First, thanks to those who posted solutions to disabling the TPMS dashboard light. Not being a big fan of messing with panels (always fearful of braking this or that tab, having to chase replacement clips and so on), I favor the PCB mod that involves making a short on the TPMS module between pin 5 and 6. (see other post). This is what I experienced, and on which I would like some commenting: (2018 4Runner-5thgen SR5 premium).
1. I have no need to lower my tire pressure (not much off-roading).
2. I fundamentally dislike any system that displays erroneous info (i.e light coming on when pressure is fine). see Boeing Max issue with sensors for example of a dramatic engineering arrogance.
3. I found that the spare does NOT have a TPMS sensor (a opposed to my previous 4Runner- 2008, 4th gen).
4. Leaving for a trip(>200 miles) light came on flashing. Stopped. check pressure. All good. Resumed travel. Light went from blinking to solid. Disappeared a few minutes later. Outside temp in high 40s.
5. light came back a week later. First flashing upon ignition then solid then disappearing. Read about it: ah, bad sensor and/or onboard battery.
6. Light flashing as above, then stays on for good. Happens on every local trip. Check pressure again. Investigate spare, found there is no sensor (was messing with my previous 4 runner with 25F ambient).
7. read blogs, decide to make a mod. installed a piece of black electrical tape on cluster temporarily (pretty ghetto and not quite satisfying as I can still see the glow- OCD I guess?). Will address mod a bit later.
8. Went on a another trip (>200 miles). Light flashes, stays on, disappeared at one time. Never back since then.
I have a feeling it will come back, but I wonder if someone experienced this sort of events sequence and had the system remained quiet thereafter ?(I seriously doubt that the module has some sort of AI, learning to ignore one of the failed TPMS sensor after a while!).
Note: love my 4Runner but still..2018 and no individual readout of tire pressure. HOw did I manage 50 years of driving, several flats without TPMS, dang..
First, thanks to those who posted solutions to disabling the TPMS dashboard light. Not being a big fan of messing with panels (always fearful of braking this or that tab, having to chase replacement clips and so on), I favor the PCB mod that involves making a short on the TPMS module between pin 5 and 6. (see other post). This is what I experienced, and on which I would like some commenting: (2018 4Runner-5thgen SR5 premium).
1. I have no need to lower my tire pressure (not much off-roading).
2. I fundamentally dislike any system that displays erroneous info (i.e light coming on when pressure is fine). see Boeing Max issue with sensors for example of a dramatic engineering arrogance.
3. I found that the spare does NOT have a TPMS sensor (a opposed to my previous 4Runner- 2008, 4th gen).
4. Leaving for a trip(>200 miles) light came on flashing. Stopped. check pressure. All good. Resumed travel. Light went from blinking to solid. Disappeared a few minutes later. Outside temp in high 40s.
5. light came back a week later. First flashing upon ignition then solid then disappearing. Read about it: ah, bad sensor and/or onboard battery.
6. Light flashing as above, then stays on for good. Happens on every local trip. Check pressure again. Investigate spare, found there is no sensor (was messing with my previous 4 runner with 25F ambient).
7. read blogs, decide to make a mod. installed a piece of black electrical tape on cluster temporarily (pretty ghetto and not quite satisfying as I can still see the glow- OCD I guess?). Will address mod a bit later.
8. Went on a another trip (>200 miles). Light flashes, stays on, disappeared at one time. Never back since then.
I have a feeling it will come back, but I wonder if someone experienced this sort of events sequence and had the system remained quiet thereafter ?(I seriously doubt that the module has some sort of AI, learning to ignore one of the failed TPMS sensor after a while!).
Note: love my 4Runner but still..2018 and no individual readout of tire pressure. HOw did I manage 50 years of driving, several flats without TPMS, dang..