Tire Pressure System Fault

Discussion on wheel & tire issues
JoeR
Posts: 145
Joined: Wed May 25, 2022 12:34 am
Location: Central, NC

Re: Tire Pressure System Fault

Post by JoeR »

CrashTestDummy wrote: Sun Dec 24, 2023 12:34 pm So you set the car in 'learn mode' and starting with front left, let air out until the horn honks?
Exactly.
JoeR
Posts: 145
Joined: Wed May 25, 2022 12:34 am
Location: Central, NC

Re: Tire Pressure System Fault

Post by JoeR »

Mooseman wrote: Sun Dec 24, 2023 9:14 am That particular tool doesn't give any feedback. It transmits only.
Good to know. Thx.
CrashTestDummy
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Joined: Sat Feb 07, 2015 2:31 pm
Location: Pearland, Texas

Re: Tire Pressure System Fault

Post by CrashTestDummy »

JoeR wrote: Sun Dec 24, 2023 8:44 pm
CrashTestDummy wrote: Sun Dec 24, 2023 12:34 pm So you set the car in 'learn mode' and starting with front left, let air out until the horn honks?
Exactly.
Thanks. And I guess it doesn't matter where I start, the car will 'think' I'm starting at front left no matter which tire I'm deflating? Asking, because if the front left does nothing, then I'm hoping I can move to the front right to see if anything happens, and so on.
Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2018 Tahoe PPV (her car)
1995 DGGM Impala SS
1985 Firebird - 310 LS1 C Prepared autocross car.
1980 Bluebird Wanderlodge
And some others
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Mooseman
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Location: Ottawa, ON Canada
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Re: Tire Pressure System Fault

Post by Mooseman »

CrashTestDummy wrote: Tue Dec 26, 2023 5:47 pm
JoeR wrote: Sun Dec 24, 2023 8:44 pm
CrashTestDummy wrote: Sun Dec 24, 2023 12:34 pm So you set the car in 'learn mode' and starting with front left, let air out until the horn honks?
Exactly.
Thanks. And I guess it doesn't matter where I start, the car will 'think' I'm starting at front left no matter which tire I'm deflating? Asking, because if the front left does nothing, then I'm hoping I can move to the front right to see if anything happens, and so on.
Yes. If one won't register, you won't be able to complete the relearn but you'll know which one is dead.
2011 Caprice PPV, former RCMP test vehicle, never put into service
Build Thread: http://www.newcaprice.com/forum/viewtopic.php?t=2419
CrashTestDummy
Posts: 2299
Joined: Sat Feb 07, 2015 2:31 pm
Location: Pearland, Texas

Re: Tire Pressure System Fault

Post by CrashTestDummy »

Haven't gotten back to this yet. We've either had rain coming in sideways, or mid-30-degree F temps with 20 MPH winds that I'm NOT getting out in.

Had a Dr's appt today, and about 2 miles into the trip the dash lit up! Besides the pressure system fault, I got two new ones; Stabilitrack Fault and ABS Fault. Does anyone know if those are possibly related to the TPMS fault? The faults went out when I got into the car for the drive home, but each time after starting up from a stop, I could feel the ABS pulse once. I had a couple of errands to do on the way home, and the ABS pulsed after each restart, but never after that.


WTF?!?
Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2018 Tahoe PPV (her car)
1995 DGGM Impala SS
1985 Firebird - 310 LS1 C Prepared autocross car.
1980 Bluebird Wanderlodge
And some others
Do YOU have my SPID?
Sanford
Posts: 353
Joined: Mon Dec 12, 2016 9:38 pm
Location: Texas Gulf Coast

Re: Tire Pressure System Fault

Post by Sanford »

The ABS is unrelated to the TPMS issue. Probably have a speed sensor getting wacky. I believe I have had a speed sensor failure on about ever car in the fleet. Hopefully it is the rears instead of a front that requires a hub assembly replacement. I have gotten to I ignore the intermittent ABS light and wait until it stays on. Hook up a scanner that will read ABS codes and see which one is causing the problem. Supposed to be decent weather this week end, but next looks pretty crappy.
CrashTestDummy
Posts: 2299
Joined: Sat Feb 07, 2015 2:31 pm
Location: Pearland, Texas

Re: Tire Pressure System Fault

Post by CrashTestDummy »

Thanks. Yes, I've already replaced one speed sensor on the left rear corner. It had a ball of rust in the hole the sensor resided in, so the sensor itself might have been okay, but I was already there, and already had a new sensor, so swapped it out.

Decent weather, but COLD!! And windy!! Yes, next weekend is going to be worse.
Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2018 Tahoe PPV (her car)
1995 DGGM Impala SS
1985 Firebird - 310 LS1 C Prepared autocross car.
1980 Bluebird Wanderlodge
And some others
Do YOU have my SPID?
CrashTestDummy
Posts: 2299
Joined: Sat Feb 07, 2015 2:31 pm
Location: Pearland, Texas

Re: Tire Pressure System Fault

Post by CrashTestDummy »

Still slacking on deeper dive on this. Been working on the bus to get it ready for a short trip in March. Discovered the radiator on the generator seeping some, so yanked it to take it to a shop for repairs. Scope creep because of 'while I'm there'....

Still posting the ABS and Stabilitrack alerts for the first drive out of the garage. Then, about 1/2 way through the second start for the trip, the lights go out and things seem normal. Still have the Tire Fault, but been busy with other things. Will probably break out the plastic wrench and have Chevy look at/fix it. Dunno, yet.
Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2018 Tahoe PPV (her car)
1995 DGGM Impala SS
1985 Firebird - 310 LS1 C Prepared autocross car.
1980 Bluebird Wanderlodge
And some others
Do YOU have my SPID?
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