Power Lift Gate Module improvement available - 2017+ Chrysler Pacifica Minivan Forums
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post #1 of 14 (permalink) Old 07-28-2018, 07:24 PM Thread Starter
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Power Lift Gate Module improvement available

Hey everyone, this may be of interest.

Theres software update available as of today that is for Power Lift Gate Module (PLGM) System Improvements July28 2018.

This is not specific to PHEV.

"Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further
investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC).
B1975-00 - Power Liftgate Latch Cinch - Ratchet Secondary Switch Performance.
The customer may also experience the following:
Intermittently the power lift gate may not open.
When the power lift gate is at full open and the lift gate is requested to close, the lift gate may
not respond."

https://www.dropbox.com/s/310l8wvobm...ement.pdf?dl=0
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post #2 of 14 (permalink) Old 07-28-2018, 07:37 PM
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Thank you m0ebius604. Seriously, you should have a tip jar to help pay for your access to TechAuthority.
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post #3 of 14 (permalink) Old 07-28-2018, 08:45 PM Thread Starter
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Originally Posted by AZBean View Post
Thank you m0ebius604. Seriously, you should have a tip jar to help pay for your access to TechAuthority.
Thanks, but I'm happy if I can contribute to the community.
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Last edited by m0ebius604; 07-29-2018 at 11:16 AM.
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post #4 of 14 (permalink) Old 07-28-2018, 11:20 PM
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I wonder if this has anything to do with the liftgate alarms some of us get intermittently. Anyway, thank you m0ebius604 for posting the bulletin. I printed it, and will include it with other information when I get my oil changed and the recalls performed next week. I was wondering why sometimes my liftgate wouldn't close.

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post #5 of 14 (permalink) Old 07-29-2018, 01:51 AM Thread Starter
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Originally Posted by Waldo View Post
I wonder if this has anything to do with the liftgate alarms some of us get intermittently. Anyway, thank you m0ebius604 for posting the bulletin. I printed it, and will include it with other information when I get my oil changed and the recalls performed next week. I was wondering why sometimes my liftgate wouldn't close.
Remember to make the complaint The same as the "symptoms or conditions" when booking the job.

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Last edited by m0ebius604; 07-29-2018 at 11:17 AM.
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post #6 of 14 (permalink) Old 07-29-2018, 08:16 AM
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Thanks for posting! I wish this had come out a few days earlier. I just had the Pacifica in for an oil change and recalls the day before.

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post #7 of 14 (permalink) Old 07-29-2018, 01:04 PM
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I noticed this when we were camping when the lift gate was up for long periods, it must be closed manually. Neither the buttons or the fob would close it. When I closed it manually, then it would operate electrically again. Is this normal or what is described here?

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post #8 of 14 (permalink) Old 07-29-2018, 02:17 PM
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Quote:
Originally Posted by Hilltoppper View Post
I noticed this when we were camping when the lift gate was up for long periods, it must be closed manually. Neither the buttons or the fob would close it. When I closed it manually, then it would operate electrically again. Is this normal or what is described here?
I do think the interior buttons time out on my 2017. But I would think the keyfob should always work -- but we are dealing with computer logic here. Maybe lock/unlock on the fob will wake everything up.

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post #9 of 14 (permalink) Old 07-29-2018, 02:41 PM
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Next time try starting the car, then try closing the gate electronically.

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post #10 of 14 (permalink) Old 07-29-2018, 03:21 PM
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Thought:
@m0ebius604 (and @irpilot , @generaltso , @PacificaAdmin )

All the TSBs (like this one) and recalls are scattered (and duplicated) throughout the forums. While you spotlight the cruise control recall on the home page, is it possible to have a permanent thread or linked page on the various updates and recalls for the 2017, 2018 and soon to be 2019s on one page in a coherent order. This obviously would have to be a moderated page and I don't know who would be responsible for tracking the posts to various threads (like this one,) to pick them all up.
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