TPMS after lowering...
#1
03-21-2018 | 03:38 PM
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Joined: Aug 2017
Posts: 9
From: Savannah, GA
TPMS after lowering...
I’m curious if anyone has had this issue?
I lowered my 2017 Ex on Eibach prokit springs. 1.2” in the front and 1.4” in the rear. I am a helicopter mechanic by trade so installing the spring was very easy, I was very careful to not damage any factory components or hardware. After setting the car down it wasn’t even 30 mins and I have had the TPMS light ever since. I’ve tried to do the calibration over 20 times with varying and ultimately correct tire pressure with no resolve. The only thing I have come up with is that because the car is now out of alignment the rotation speeds of the hubs must be different, setting off the light. Please help, lowering the car can’t cost me a light for eternity.
I lowered my 2017 Ex on Eibach prokit springs. 1.2” in the front and 1.4” in the rear. I am a helicopter mechanic by trade so installing the spring was very easy, I was very careful to not damage any factory components or hardware. After setting the car down it wasn’t even 30 mins and I have had the TPMS light ever since. I’ve tried to do the calibration over 20 times with varying and ultimately correct tire pressure with no resolve. The only thing I have come up with is that because the car is now out of alignment the rotation speeds of the hubs must be different, setting off the light. Please help, lowering the car can’t cost me a light for eternity.
#2
03-21-2018 | 04:00 PM
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Joined: Oct 2009
Posts: 4,295
From: Wandering around.
The only thing I have come up with is that because the car is now out of alignment the rotation speeds of the hubs must be different, setting off the light.
How are you resetting the TPMS? Like the following?
Before You Start
1. Make sure the vehicle is stopped and the vehicle is in neutral or park.
2. Make sure all the tires are the same size and type.
3. Set the tire pressures to the recommended cold inflation values listed on the driver’s door jam.
4. Turn the ignition on.
Calibration for 2013-2015 Accord (except Touring), 2014 CR-V and 2015 Fit
Press and hold the TPMS button underneath the left side of the dashboard until the Low Tire Pressure/TPMS indicator blinks twice. If the indicator does not blink, press and hold the button again. Calibration will complete after 20 minutes of cumulative driving at 30 to 60 mph.
1. Make sure the vehicle is stopped and the vehicle is in neutral or park.
2. Make sure all the tires are the same size and type.
3. Set the tire pressures to the recommended cold inflation values listed on the driver’s door jam.
4. Turn the ignition on.
Calibration for 2013-2015 Accord (except Touring), 2014 CR-V and 2015 Fit
Press and hold the TPMS button underneath the left side of the dashboard until the Low Tire Pressure/TPMS indicator blinks twice. If the indicator does not blink, press and hold the button again. Calibration will complete after 20 minutes of cumulative driving at 30 to 60 mph.
#4
03-21-2018 | 05:36 PM
Member
Joined: Feb 2008
Posts: 4,329
From: Cleveland, GA
AFAIK, there are no tire pressure sensors to damage.
It just takes it's readings from the wheel speed sensors and extrapolates from there. If you aren't getting a code for the wheel speed sensors, it's probably something else.
As crazy as your theory is, you may be correct.
These indirect monitoring systems suck!
It just takes it's readings from the wheel speed sensors and extrapolates from there. If you aren't getting a code for the wheel speed sensors, it's probably something else.
As crazy as your theory is, you may be correct.
These indirect monitoring systems suck!
#6
03-22-2018 | 08:30 AM
Member
Joined: Apr 2010
Posts: 2,074
From: Oregon
I'm not a physics major, but if you just lowered the vehicle and have not changed your rims or tires, there is no "natural" way it should be affecting your TPMS. Since as stated, it's and indirect system that uses your speed sensors to monitor tire rotation and speed which shouldn't really of been affected by lowering the vehicle.
The only thing I can think of, is according to my owners manual it seems to suggest the system needs to be re calibrated whenever the tires are adjusted either from a tire rotation or inflation.
Whenever I either inflate or have my tires rotated. I re-calibrate BEFORE the light goes on. Expecting if I don't I will get the warning light.
But I think you should still be able to get the light to turn off, by re-calibrating if that is all it needs.
If it's NOT going off?
I'm at a bit of a loss as to why.
Lowering the vehicle shouldn't necessarily make it out of alignment or affect the rotation of the tires or the speed sensors.
But alignments are relatively cheap. You could have one done and then go from there.
The only thing I can think of, is according to my owners manual it seems to suggest the system needs to be re calibrated whenever the tires are adjusted either from a tire rotation or inflation.
Whenever I either inflate or have my tires rotated. I re-calibrate BEFORE the light goes on. Expecting if I don't I will get the warning light.
But I think you should still be able to get the light to turn off, by re-calibrating if that is all it needs.
If it's NOT going off?
I'm at a bit of a loss as to why.
Lowering the vehicle shouldn't necessarily make it out of alignment or affect the rotation of the tires or the speed sensors.
But alignments are relatively cheap. You could have one done and then go from there.
#7
03-22-2018 | 10:04 AM
if it fixes itself after alignment it is just coincidence.
check psi, drive around a little, reset tpms. if i comes on again just repeat until it doesn’t.
the system is pretty shitty to begin with just keep resetting it until it don’t come on again..
check psi, drive around a little, reset tpms. if i comes on again just repeat until it doesn’t.
the system is pretty shitty to begin with just keep resetting it until it don’t come on again..
#8
03-22-2018 | 02:32 PM
Member
Joined: Apr 2010
Posts: 2,074
From: Oregon
When the light has come on for me?
Simply re calibrating makes it immediately turn off.
His isn't turning off with now 20 attempts.
I think he may need something reset beyond just self calibration.
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