08 Solstice gxp reset trick? - Pontiac Solstice Forum
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post #1 of 11 (permalink) Old 07-05-2019, 11:18 AM Thread Starter
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08 Solstice gxp reset trick?

Is there a trick to reset the brain on gxp? I lost tire sensors, oil sensor, alarm system....
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post #2 of 11 (permalink) Old 07-05-2019, 02:14 PM
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Worth a try to disconnect the battery for a few minutes
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post #3 of 11 (permalink) Old 07-05-2019, 05:26 PM
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did you disconnect the battery before that happened? doing that can cause all sorts of wierd problems with the computer if you don't use a backup power source.

Bill
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post #4 of 11 (permalink) Old 07-05-2019, 05:32 PM
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forgot to mention, a bad battery or bad battery connection can do the same thing, even though it will still start the car.
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post #5 of 11 (permalink) Old 07-05-2019, 05:48 PM
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Quote:
Originally Posted by Quimbella View Post
Is there a trick to reset the brain on gxp? I lost tire sensors, oil sensor, alarm system....
There is a known problem with some original programming that results in the TPMS and RKE systems not working after a power loss. Unfortunately, the only solution is a re-flash that requires a dealer or someone with a Tech2 or equivalent and access to GM's TIS2WEB.

What is the oil sensor?
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post #6 of 11 (permalink) Old 07-07-2019, 07:19 AM
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I had to have the program update done last month. I took the opportunity to get new fobs and since that had to programmed anyway.
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post #7 of 11 (permalink) Old 07-07-2019, 07:52 AM
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A bit late, and I know you had to get them programmed anyway, but for the benefit of other reading this... You can buy new shells with the rubber buttons/membrane off eBay for ~$5. Then transfer your old circuit board to the new shell. Voila! New fobs cheap!

And for those with working fobs, no need for reprogramming.

Here's just one example (no affiliation, yada, yada) : https://www.ebay.com/itm/GM-Remote-K...w/263806018103
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post #8 of 11 (permalink) Old 07-07-2019, 08:16 AM
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Quote:
Originally Posted by Quimbella View Post
Is there a trick to reset the brain on gxp? I lost tire sensors, oil sensor, alarm system....
There is a situation with the 2008's, where the Remote Control Door Lock Receiver, which is also used by the TPMS, forgets its programming when there is a power loss.

There is a Technical Service Bulletin dealing with this situation, and it usually is handled by a GM service center. The RCDLR needs to be reprogrammed as detailed by JohnWR in this thread.



.
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Last edited by DaveOC; 07-09-2019 at 09:41 PM.
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post #9 of 11 (permalink) Old 07-09-2019, 11:40 AM
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BEFORE you buy any new remotes ... pop your existing REMOTE open. Check to see if the circuit board is soldered correctly. If ANY connections are bad ~ (loose or look cracked) (there are 4 of them to check with the circuit board sitting in it's original position ... )
take a small soldering iron with a pointed end and touch (to melting the solder) then remove from each of the 4 points. The Circuit board should then be solid in the remote (not rattling around loose) ... and the remote will act exactly like new. No need to reprogram
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post #10 of 11 (permalink) Old 07-09-2019, 11:50 AM
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I too have an 08 GXP. I have learned through removing the battery cables for whatever purpose / reason ... it takes the on board computer about 2 mins to COMPLETELY reset itself. This is easily observed in the following manner: BEFORE YOU CONNECT YOUR BATTERY CABLES BACK UP .... remove your ignition key. Connect the cable(s) back to the battery. Once the battery cables are properly connected (you may here some light clicking noises from your engine bay when doing the cables ...) sit in the drivers seat and slide your key in.

Turn the key ON but DO NOT START your car. Turn the key forward to the ON position but again ... USE CARE TO NOT START THE CAR. Your dash lights will begin to function and you will hear the computer going through its check procedure. THE MOST TELL TALE SIGN ------ >>>>>>> the 3 horizontal amber lights in the 3 round knobs above your radio (A/C / temp setting etc) ... WILL FLASH. They will continue to flash approximately 45 seconds to a minute. Once they shut off permanently, the on board computer is done with it's checks. You can then, start your car (which is advisable) and let it run for a minute or 2. Check your A/C / temp knob etc ... for proper function(s).

Kill the car. Try your remote control to ensure it too is working properly. That should preclude you from having to reset anything as the on board computer will set itself to factory defaults. INCLUDING GMPP add-ons if you have them. Hope this works for you .... it always has for me

Dan
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post #11 of 11 (permalink) Old 07-09-2019, 02:40 PM
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The AC control knobs are performing an automatic recalibration. You can initiate this manually by turning both knobs the left and then pressing in on the two outside knobs until the recalibration starts (flashing lights). It (all of them) do this when you reapply power after removing it. Good thing to know.

Rob the Elder

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