Tpms
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JK Newbie
Joined: May 2010
Posts: 48
Likes: 0
From: St. Joseph, MO
Tpms
So I've had my new lift and tires and wheels for almost 2 weeks now and so far so good, until this evening. I've got the procomp 7005 series wheels that as far as I know does not have the sensor in them for tpms. Well as i was driving to my aunts today it just so happens that it goes haywire and flashes as me the whole way there and back. Still is going off as we speak. It's not ON but flashing. I've got the flashpaq to disable it but what could be causing it to go crazy like this?
JK Freak
Joined: Jun 2008
Posts: 583
Likes: 1
From: Brandon, MS
Yep, it should have been flashing from day 1 if there are no TPMS sensors in the wheels. The flashpaq works great to disable.
JK Enthusiast
Joined: Jun 2009
Posts: 162
Likes: 0
From: Boston, MA
On a related note, is the warning different for no-TPMS vs TPMS-but-low-pressure? The reason I ask is, I have new TPMS installed on the new wheels and the warning light flashes at startup for about 3 minutes, then stay lit. All tires are at 32psi and I have set the procal to 31psi threshold, but it's still warning me after driving for over 50 miles. This got me thinking that the TPMS are not detected? The light started flashing 2 weeks after I installed the new wheels. Does it take that long for the computer to adjust (or not) to new TPMS?
JK-Forum Founder
Joined: Jul 2006
Posts: 36,534
Likes: 16
From: Laguna Niguel, CA
On a related note, is the warning different for no-TPMS vs TPMS-but-low-pressure? The reason I ask is, I have new TPMS installed on the new wheels and the warning light flashes at startup for about 3 minutes, then stay lit. All tires are at 32psi and I have set the procal to 31psi threshold, but it's still warning me after driving for over 50 miles. This got me thinking that the TPMS are not detected? The light started flashing 2 weeks after I installed the new wheels. Does it take that long for the computer to adjust (or not) to new TPMS?
JK Super Freak
Joined: Jan 2009
Posts: 1,219
Likes: 1
From: San Diego, CA
The dash warnings are different.
I got similar indications as you. I swapped my wheels and for a few weeks I got no TPMS warnings. Then all of a sudden it would light at startup and chime 3 or 4 times. After I installed the sensors back into the wheels it still lit the (_) and chimed a few times while I was running errands. The next day at start up I got a single chime and a Lo tIrE. I checked my pressures and added a few psi to a low tire. Haven't heard a peep out of it since.
I got similar indications as you. I swapped my wheels and for a few weeks I got no TPMS warnings. Then all of a sudden it would light at startup and chime 3 or 4 times. After I installed the sensors back into the wheels it still lit the (_) and chimed a few times while I was running errands. The next day at start up I got a single chime and a Lo tIrE. I checked my pressures and added a few psi to a low tire. Haven't heard a peep out of it since.
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JK Super Freak
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From: annapolis, MD
JK Jedi Master
Joined: Jan 2008
Posts: 11,463
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From: Austin <--> Colorado Springs
Generally, the warning threshold is set 4psi less than the desired tire pressure (ie. set the threshold at 24 psi for tires running at 28psi).
Some users have reported the TPMS indicator lamp staying on after setting the Low Pressure Threshold to a new value. The TPMS sensors use timed and pressure-loss triggers to update the vehicle of tire pressures. In the event that the Low Pressure Threshold has changed to a value equal to or higher than actual tire pressure, the tires must be inflated to at least 5 psi over the new low value. The vehicle must then be driven up to 10 minutes above 15mph before the TPMS sensors update the vehicle of the new tire pressure. Once the reported tire pressure is 5psi above the Low Pressure Threshold the TPMS indicator lamp will turn off.
Some users have reported the TPMS indicator lamp staying on after setting the Low Pressure Threshold to a new value. The TPMS sensors use timed and pressure-loss triggers to update the vehicle of tire pressures. In the event that the Low Pressure Threshold has changed to a value equal to or higher than actual tire pressure, the tires must be inflated to at least 5 psi over the new low value. The vehicle must then be driven up to 10 minutes above 15mph before the TPMS sensors update the vehicle of the new tire pressure. Once the reported tire pressure is 5psi above the Low Pressure Threshold the TPMS indicator lamp will turn off.