Keyfob Issues
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    Thread: Keyfob Issues

    1. #1
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      Keyfob Issues

      I purchased a used 2017 S90 T5 Momentum in April 2018. My wife was the primary driver of the car. When I drove it I noticed the few times I used the buttons on the keyfob they were not very responsive. It would take two or three presses to unlock a door or open the trunk.

      Recently we sold our other car and I have been using the S90 more. The keyfob had gotten worse. It was taking up to ten presses of the keyfob to get a response. Worse yet on several occasions while I was in the car a message appeared indicating the key was not present, when it was in fact in my pocket.

      I was thinking of taking it in for service, but decided to try a new battery in the keyfob before I did. Replacing the battery solved all the problems. The buttons now work on the first push and I have received no other error messages.

      What is disappointing in all of this is the car never indicated that the keyfob battery needed to be replaced as the owner's manual indicates.

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    3. #2
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      Interesting,
      I replaced my S90 2018 keyfob battery a couple of months ago. The keyfob was responsive and I only changed the battery because it displayed in the dash that it was low and needed replacing.
      2018 S90 T5 Momentum

    4. #3
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      the car never indicated that the keyfob battery needed to be replaced
      Yes it did. The keyfob stopped working properly.

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    6. #4
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      Quote Originally Posted by porschie356 View Post
      Yes it did. The keyfob stopped working properly.
      There is an indicator on the dash that tells you when to replace the battery. It never lit up.

    7. #5
      Junior Member pocholin's Avatar
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      Quote Originally Posted by cpq100 View Post
      There is an indicator on the dash that tells you when to replace the battery. It never lit up.
      There's an indicator?!?!?!? :-O

      I never got any messages from the car...other than the hidden/unspoken/indirect message "if I'm not unlocking the door, it must be because I'm getting no signal from the keyfob"
      2017 V90 CC T6- Luxury pkg with full color paint Maple Brown with blond interior, convenience pkg, B&W, HUD, four-C. Racechip GTS.

    8. #6
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      Quote Originally Posted by pocholin View Post
      There's an indicator?!?!?!? :-O

      I never got any messages from the car...other than the hidden/unspoken/indirect message "if I'm not unlocking the door, it must be because I'm getting no signal from the keyfob"
      According to the owner's manual there is. It is in the Locks and Alarm section of my manual. I tried posting a picture of it here, but I had no luck in doing so.

    9. #7
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      Not sure what the voltage threshold is to get the warning to come on. I've had several customers with concerns about intermittent function of the remote with the remote battery at about 2.75 to 2.80 volts. The threshold must be lower than that. Next time I get one with the message I'll try to remember to measure the voltage and update this.

    10. #8
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      Quote Originally Posted by Tech View Post
      Not sure what the voltage threshold is to get the warning to come on. I've had several customers with concerns about intermittent function of the remote with the remote battery at about 2.75 to 2.80 volts. The threshold must be lower than that. Next time I get one with the message I'll try to remember to measure the voltage and update this.
      I still have the old battery, as I was planning to recycle it. I measured it using a cheap digital multimeter and it measured 2.5 volts.

    11. #9
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      I was finally able to get a shot of the icon that should display when the keyfob battery needs replaced. It is below.


    12. #10
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      nothing showing bellow.
      Own:
      2018 s90 T6 AWD Inscription w/air suspension B&W Brown interior.
      2017 s60 inscription Platinum FWD
      2003 Oldsmobile Aurora.
      Had:
      2001, 2002 ,Oldsmobile Aurora.
      1998, 1999 Oldsmobile Intrigue.

      Paul.

    13. #11
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      Sorry. Had to get my account updated so I could post attachments. Hopefully it works this time.
      Attached Images Attached Images

    14. #12
      Member lamarguy's Avatar
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      Two days ago, my FOB began requiring exactly four presses to unlock after 4+ hrs of vehicle inactivity. XC60 is 22 months old and the FOB battery read 2.76 volts (professional meter).

      It worked fine on the first press within the 4 hr activity window, but not after. It appears the electronics take a power-saving nap at ~4 hrs and it requires a stronger RF signal to wake-up.
      OSD '18 XC60 T8 Momentum - 22" 10-spoke wheels, lowered air suspension, strut tower bar, Stealth hitch

    15. #13
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      Quote Originally Posted by lamarguy View Post
      Two days ago, my FOB began requiring exactly four presses to unlock after 4+ hrs of vehicle inactivity. XC60 is 22 months old and the FOB battery read 2.76 volts (professional meter).

      It worked fine on the first press within the 4 hr activity window, but not after. It appears the electronics take a power-saving nap at ~4 hrs and it requires a stronger RF signal to wake-up.
      You may want to try a new battery. From what Tech said above it seems like you are right on the brink of needing a new one.

    16. #14
      Member lamarguy's Avatar
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      Quote Originally Posted by cpq100 View Post
      You may want to try a new battery. From what Tech said above it seems like you are right on the brink of needing a new one.
      Sorry, I thought speaking in past tense and checking the voltage indicated it was obvious I changed the battery.
      OSD '18 XC60 T8 Momentum - 22" 10-spoke wheels, lowered air suspension, strut tower bar, Stealth hitch

    17. #15
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      So we are complaining about the need to replace key fob batteries now? :/




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      09 BMW E92 335i: EFR 7670 Single Turbo / AP Racing / Wavetrac / TC Kline
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    18. #16
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      Yes i had to replace my battery as well in my 2018 s90 after 2 years when my wifes 2017 s60 that we got new still works fine . Had to do same for my mothers in law s90 but my moms 2017 s60 still works as my wifes so something doesnt make sense to me . Why p3 platform batteries are fine but SPA kills them with in 2 years .
      Own:
      2018 s90 T6 AWD Inscription w/air suspension B&W Brown interior.
      2017 s60 inscription Platinum FWD
      2003 Oldsmobile Aurora.
      Had:
      2001, 2002 ,Oldsmobile Aurora.
      1998, 1999 Oldsmobile Intrigue.

      Paul.

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