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Old 10-04-2019, 11:58 AM   #1
arcadian9
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Default Low pressure sensor after new tire/wheel

Sorry if this is a noob question but I have a 2017 wrx and I just installed a new set of tire and rims. I checked to make sure there is enough pressure in all my tires but the low pressure light keeps coming on. Do I need to reset it or something?
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Old 10-04-2019, 06:58 PM   #2
TifosiWA
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Quote:
Originally Posted by arcadian9 View Post
Sorry if this is a noob question but I have a 2017 wrx and I just installed a new set of tire and rims. I checked to make sure there is enough pressure in all my tires but the low pressure light keeps coming on. Do I need to reset it or something?
1) Did you re-use the factory TPMS?
2) If new TPMS were used, did you have them cloned from the OEM sensors?
3) If they are not clones of the OEM sensors, did you have them hard coded into the ECU?
4) If you did any one of the above then you may need to active/wake the sensors so your ECU can recognize them.
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Old 10-07-2019, 06:38 PM   #3
arcadian9
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I have not done any of the ones above. Does this needs to be done at the dealer or is there a DYI?
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Old 10-08-2019, 12:07 PM   #4
Norm Peterson
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Chapter/Region: Tri-State
Location: our wrx IS the family sedan
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'19 WRX Limited 6MT
'08 Mustang GT (the toy)

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So what you're saying is that the new wheels/tires do not have any TPMS sensors in them?

If that's the case, your choices at this point are to either live with the TPMS light lit all the time (maybe hide it if it bothers you enough), or have TPMS sensors installed in all four tires (not sure about the spare on these cars) and "learned" to the appropriate electronic module. Technically, the shop that mounted the tires and installed them on your car wasn't supposed to let the car go with TPMS inop if it came in with TPMS in working order.


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Old 10-08-2019, 12:26 PM   #5
TifosiWA
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Originally Posted by arcadian9 View Post
I have not done any of the ones above. Does this needs to be done at the dealer or is there a DYI?
First thing to do is learn more about TPMS either here on the forum or on the internet, most new cars and yours included, are of the Direct TPMS system. This link will get you started on that:

(https://www.bridgestonetire.com/trea...how-tpms-works)

As for DIY, that depends on what resources do you have at your disposal, I would say "no" for most people.

At this point, I think the smartest thing for you to do is go to a local tire shop like Discount Tires etc. and explore your options there. If not, dealership is an option but will most likely be the more expensive option.
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Old 10-13-2019, 08:06 PM   #6
hrbutler52
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If you still have the original rims that came off the car, have the tire shop move the OE sensors to the new rims. They may want to charge for this but they really should have done this during the rim change. The OE sensors should still have 4-5 years of useful life.
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