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How to Relearn the Tire Pressure Management System (TPMS) using non-GM sensors

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#42 ·
Steverino said:
You or the tire shop should get the OEM sensors, remove the "universal" sensors, refund the money, install the OEM sensors, Or, they need to make the non-ohm sensors work.
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That's finally what I did. GM part 13556202 $170 USD delivered. Tire shop installed them at no additional charge.

oldirtyewok said:
Just wanted to know if you have had a chance to try the Autel TPMSs? I have the tool (first time using it) Recently purchased some 433Mhz Autel TPMS (I think they're an older model, because I know the newer ones are 315 and 433 depending how it's programmed). Autel TS508WF

I was able to copy the ID's from OEM thru OBD port, and reprogram using the Autel programmer. Specific to the Equinox EV. Read all 4 for relearn and connected back to OBD to relearn. However, the issue I have now is that it misreports all 4 pressures as roughly 188 kpa (severely underpressure), throws DTC warning and asks to service TPMS system.

Tried several times to clear DTC's with Autel programmer, and retried relearn process with same results.

So stuck here now. Not a massive problem, at worst, I'll tough out for the winter and try to resolve in spring. But since there's not much information out there about specifically Autel TPMS and Equinox EV, i thought I'd give it a shot here.
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My local tire shop put in Autel MX sensors and they tried several times to get them to work and they never worked. I got GM sensors part 13556202 installed today by my local tire shop and they work.
 
#43 ·
Hey, jumping in this thread for some help. My equinox was repaired recently and one wheel and tire had to be replaced. The tpms for that wheel now reads 3 psi lower than the other three tires, despite reading the same for the other three tires via tire gauge. Would relearning adjust for that? Does relearn calibrate at all? From what I can find it does not appear so. Is the discrepancy from the dealership probably using a different version tpms monitor for the new tire?
 
#44 ·
Maybe it will self resolve but if it doesn’t that’s a big variance. Sensor may be bad.
 
#46 · (Edited)
Matt b said:
Would relearning adjust for that? Does relearn calibrate at all? From what I can find it does not appear so. Is the discrepancy from the dealership probably using a different version tpms monitor for the new tire?
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Relearning is just a step to link or register the TPMS sensors IDs to the car, it does not adjust or correct the value the sensor is sending to the car. If the sensor reading is 3 psi off, then that is what car sees.

But just to check the sensor is linked to the car, deflate the tire maybe 3 psi, and check in the car. If it is now showing 6 psi lower than other three, then at least it is linked. And to be sure, you could inflate it back to where it was and add 3 psi more. Now the car should show all the same psi, despite one being 3 psi higher by gauge measure. If this hold true, then the sensor is permanently off by 3 psi.
 
#47 ·
Ctriopelle said:
So….decided to try something after reading a little more…
1) Hit relearn on tire pressure infotainment screen and car beeps 2x (may have been 2 honks, honestly don’t remember). Screen grayed out learning button and it looked like it wanted to do something but said nothing else.
2) got out and let pressure out of drivers front. After 5-6 seconds, car beeped again, same noise but single beep.
3) repeat pass front, same process. Proceed to pass rear and finish driver rear.
4) after last tire, car double beeped and all my sensors on the screen read about 39psi (was filled to 42ish initially).
5) Fill to 42 with compressor, confirmed 42 on screen.

All this with new 18x8 Sport Terrain TK17 rims (+45mm offset) with 433 MHz TPMS from Tire Rack and 245/60 R18 Vredestein Hitrac All Seasons. Also used Byenins Large Slotted Universal Magnetic Jack Pad from Amazon (3” Diameter, 1.35” tall with .4”x.62” slot) on my 3T low profile Daytona jack. Aside from not realizing how much effort the 140 ft-lb lug nut torque was going to take (and I’m a pretty big guy with a long 1/2” torque wrench), changeover went amazingly fast and smooth as these rims also don’t need diameter adapters like my wife’s snow rims on her ICE Kia do. Haven’t gotten on highway yet but ride seems smoother, quieter, and less annoying vibration than the stock 21’s at 55 and below.
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That worked for me as well - thanks for the info
 
#51 · (Edited)
pelermon said:
Careful - Every dealer I called told me it is 315 MHZ for a 2017 Equinox
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You know there was no Equinox EV in 2017. 2017 Equinox ICE car is a totally different from our EQEV. All Equinox EV built so far used the same OEM TPMS sensor (GM Part # 13556202) which is 433MHz.
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#52 ·
pelermon said:
Every Dealer I called told me that it is 315 MHz for a 2017
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You are posting this in the electric vehicle Equinox EV forum. No gas engines, no standing at a gas pump, no spark plugs, very little maintenance. A quiet ride. No exhaust fumes.
 
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