Low Tire Warning Light
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5th Wheeling
Joined: May 2011
Posts: 37
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Low Tire Warning Light
I have a 2009 F-150 two wheel drive. The low tire warning light is on. I reset it but it stills comes back on. The tire pressures are find. I am sure I have a bad sensor but how do you determine which one is bad. Will a cheaper hand held code checker tell me like the one they use at a O'Reilly's store?
Cross-Country
Joined: Dec 2023
Posts: 99
Likes: 30
From: Rochester Mn
I have a 2010 F150 with similar problem. Tire pressure light was always on. No way to tell which tire sensor was bad except to buy the reset tool and reprogram the tires. The malfunctioning sensor would not reset when I went through the programming steps so became apparent which one to replace.
I have read that for intermittent sensors that one needs to program all tire positions to the same tire and in this way, one can determine the bad sensors incrementally.
I didn’t find any way to read out tire pressure or determine which is the failing sensor using the OBDII scan tool.
I have read that there is a method to reprogram a software switch to disable the routine that performs the tire pressure check but requires a more sophisticated process and tool.
Another of Ford’s entrapments to force customers to pay a high price at the shop instead of simply having a status bit in the OBD interface for each tire.
I have read that for intermittent sensors that one needs to program all tire positions to the same tire and in this way, one can determine the bad sensors incrementally.
I didn’t find any way to read out tire pressure or determine which is the failing sensor using the OBDII scan tool.
I have read that there is a method to reprogram a software switch to disable the routine that performs the tire pressure check but requires a more sophisticated process and tool.
Another of Ford’s entrapments to force customers to pay a high price at the shop instead of simply having a status bit in the OBD interface for each tire.
More Turbo
Joined: Oct 2014
Posts: 697
Likes: 82
From: Alberta Eh
Any reputable tire shop will reset them if you don’t want to buy the little tool, takes like 20 minutes. Whichever one takes too long to respond or doesn’t respond at all is the culprit. Nobody has any extra money these days, but they usually last ten years and are a good investment imho.
Over the years I’ve had a few punctures where TPMS gave me an early heads up to start looking for a place to pullover, a few minutes before I was able to feel it. The last one I was a couple miles from home n was able to honk on it into the yard before I was on the rim.
Over the years I’ve had a few punctures where TPMS gave me an early heads up to start looking for a place to pullover, a few minutes before I was able to feel it. The last one I was a couple miles from home n was able to honk on it into the yard before I was on the rim.
More Turbo
Joined: Jun 2014
Posts: 719
Likes: 92
From: Asheboro, NC
Any reputable tire shop will reset them if you don’t want to buy the little tool, takes like 20 minutes. Whichever one takes too long to respond or doesn’t respond at all is the culprit. Nobody has any extra money these days, but they usually last ten years and are a good investment imho.
Over the years I’ve had a few punctures where TPMS gave me an early heads up to start looking for a place to pullover, a few minutes before I was able to feel it. The last one I was a couple miles from home n was able to honk on it into the yard before I was on the rim.
Over the years I’ve had a few punctures where TPMS gave me an early heads up to start looking for a place to pullover, a few minutes before I was able to feel it. The last one I was a couple miles from home n was able to honk on it into the yard before I was on the rim.
More Turbo
Joined: Oct 2014
Posts: 697
Likes: 82
From: Alberta Eh
Ditto on both counts. My local tire shop has been a blessing to me over the yrs, OP could make a few calls locally to see if one can help him. I used to think TPMS was a PITA gimmick but after a few warnings of low tire pressure I realized how helpful it can be. Enough so that I've added aftermarket units to now 3 motorcycles. There's many techno-geeky things on vehicles nowadays I can live without but TPMS is a handy item for me. I routinely install tire plugs every yr- our tires are like roofing nail & sheetrock magnets.
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