Tire pressure warning
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Joined: Sep 2018
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Tire pressure warning
Low tire pressure warning came on. I have a 2015 Ford F250 I bought 2 months ago.I have 52 plus PSI in the tires. The spare is hard but I am not able to check pressure on it without taking it down. Should the warning be on at 52 PSI?
Tuned
Joined: Feb 2009
Posts: 400
Likes: 25
From: Queen Creek
Check the door sticker to see where tires should be at. On mine it's 60psi front and 65psi rear. The spare does not contain a sensor so it would have to be one of the 4 mounted tires. Not sure at what PSI the system sends an alert but, your definitely below recommended PSI. Might check the rear tires first.....
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New User
Joined: Sep 2018
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Tire pressure warning
Come to find out my tires are Goodyear C rated and not E rated. 50 psi is max on these tires. I bought the truck used and they may have switched out the tires before they traded it in. What I get for buying used. :-)
Is there anyway to lower the setting on tire pressure warning?
Is there anyway to lower the setting on tire pressure warning?
Postmaster
Joined: Jul 2015
Posts: 4,392
Likes: 22
From: very South Texas
if you are going to "WORK" the truck.. upgrade the tires...
No, you can not change the value of the tire pressure warning system...
I got my truck "USED" and it had replacement "E" tires... as I got a work fleet/lease truck...
No, you can not change the value of the tire pressure warning system...
I got my truck "USED" and it had replacement "E" tires... as I got a work fleet/lease truck...
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buyer beware
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Fleet Mechanic
Joined: May 2017
Posts: 1,760
Likes: 388
From: Oregon
Actually you can change the setting but it requires a laptop, FORSCAN, and a plugin to the OBDII port.
Click here for more info -> FORSCAN Thread provided it will work on a 2015.
Yeah I'd upgrade the tires however but even with "E" 60/80 psi is too much. I run 50/70 and hope to lower that once I get the forscan set up.
Click here for more info -> FORSCAN Thread provided it will work on a 2015.
Yeah I'd upgrade the tires however but even with "E" 60/80 psi is too much. I run 50/70 and hope to lower that once I get the forscan set up.
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Thread Starter
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New User
Joined: Sep 2018
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Actually you can change the setting but it requires a laptop, FORSCAN, and a plugin to the OBDII port.
Click here for more info -> FORSCAN Thread provided it will work on a 2015.
Yeah I'd upgrade the tires however but even with "E" 60/80 psi is too much. I run 50/70 and hope to lower that once I get the forscan set up.
Click here for more info -> FORSCAN Thread provided it will work on a 2015.
Yeah I'd upgrade the tires however but even with "E" 60/80 psi is too much. I run 50/70 and hope to lower that once I get the forscan set up.
Cargo Master
Joined: Jun 2008
Posts: 2,875
Likes: 30
Thanks sounds like a plan 
I continued on my way a couple hundred miles and did a walk around a few times.... another false alarm it seems.
I just got back but haven't actually put a gauge on any of them yet.
the thing is I run plenty of air pressure it's not like I'm running right at the edge. So....idk.
I continued on my way a couple hundred miles and did a walk around a few times.... another false alarm it seems.
I just got back but haven't actually put a gauge on any of them yet.
the thing is I run plenty of air pressure it's not like I'm running right at the edge. So....idk.
Logistics Pro
Joined: Apr 2000
Posts: 4,334
Likes: 306
From: Mills River
Once the TPMS warning light illuminates, you may need to set cold tire pressures at/above factory recommendations to turn off the light, and you may also have to drive a short distance to activate the sensors. Once the light is off, then you can drop the tire pressures a bit.
The actual trigger value appears to vary by truck model, tire size, and configuration. Our truck’s factory pressure specs are 55F/80R, but, for driving around lightly loaded, I have the tires set at 50F/65R cold with no apparent TPMS issues.
HTH,
Jim / crewzer
The actual trigger value appears to vary by truck model, tire size, and configuration. Our truck’s factory pressure specs are 55F/80R, but, for driving around lightly loaded, I have the tires set at 50F/65R cold with no apparent TPMS issues.
HTH,
Jim / crewzer