How to find out if you need firmware updates? - Jeep Renegade Forum
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post #1 of 30 (permalink) Old 08-08-2016, 03:59 PM Thread Starter
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How to find out if you need firmware updates?

I recently had my car in for the differential noise issue. I also complained about the shifting behavior caused by my previous transmission flash and requested any updates that might help.

Back in mid February they told me I didn't need any. Come first week of August, it's a whopping 7.

I suspect at this point, it is questionable if inquiring about software updates will get you any useful information if they don't have the car hooked up to their diagnostic system. One big difference between then and now was that my dealer switched over to keeping a bunch of ODB port dongles in a basket on the service desk, and the rep would hook up every car they processed. It also apparently autofills a bunch of stuff for them in their book keeping as well.

Anyway, I got:

TSB 21-054-15, which apparently pre-dated my last visit by a month or so and I never got (never had any of the symptoms either, things shifted out of park just fine). It's for the ESM electric shift module

18-063-16 for the PCM (powertrain control module)which is a super secret mystery update with no info.

21-021-16 for the TCM, which is another mystery update.

08-014-16 REV A. is yet another mystery update with no info. for the IPC (instrument panel cluster).

08-127-15 another mystery update for the radio freqeuncy hub aka RFH.

05-001-16 REV A for ABS,

08-084-15 for EPS for the electric power steering for an indicator lamp issue I wasn't having.

I will say that the after the latest mystery updates, the shifting is back to being a WHOLE lot better, and I don't appear to have given up any of the fuel economy improvements that had come with the last TCM update. Also, the annoying grumble like the engine was starting to lug around 1500rpm is GONE. The engine only gets buzzy at one specific RPM range now instead of several, which is pretty normal for a NA inline four.


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post #2 of 30 (permalink) Old 08-08-2016, 06:14 PM
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i even emailed chrysler about how it was ridiculous to have to make an appt.. to see if i needed an appt. they said sorry, make an appt
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post #3 of 30 (permalink) Old 10-30-2016, 08:13 AM
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We took my Renegade in for oil, tire rotation, and to address the hitch and lug wrench recalls. They didn't do the recalls, told us to bring it back because they also need to do a software update. Their computers were all down. The software update was supposed to take 90 minutes. I have no idea why that would take so long, so I guess they aren't going to just put a USB stick into my console like I did before.
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post #4 of 30 (permalink) Old 10-30-2016, 09:04 AM
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Originally Posted by Bionic View Post
We took my Renegade in for oil, tire rotation, and to address the hitch and lug wrench recalls. They didn't do the recalls, told us to bring it back because they also need to do a software update. Their computers were all down. The software update was supposed to take 90 minutes. I have no idea why that would take so long, so I guess they aren't going to just put a USB stick into my console like I did before.
The updates can take a while. I had some updates done a few months ago that took over 2 hours to complete.

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post #5 of 30 (permalink) Old 10-30-2016, 09:30 AM
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The updates can take a while. I had some updates done a few months ago that took over 2 hours to complete.
This has to be more than just hooking up to the USB on the console.
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post #6 of 30 (permalink) Old 10-30-2016, 10:13 AM
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This has to be more than just hooking up to the USB on the console.
The updates that I am referring to are done right to the Renegade computer modules not the U-Connect radio interface that is done with the usb. These updates can only be done at the dealer.
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post #7 of 30 (permalink) Old 10-30-2016, 10:31 AM
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The updates that I am referring to are done right to the Renegade computer modules not the U-Connect radio interface that is done with the usb. These updates can only be done at the dealer.
Has to be the ECU and powertrain.
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post #8 of 30 (permalink) Old 11-09-2016, 05:54 AM
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I got a ton of flashes. IPC, RFH, ABS, EPS, ESM. The transmission seems to be less hesitant to kick down for acceleration (change to lower range). Maybe a bit less of a snap to 2nd as well. The parking brake set to auto-on as default. Running MPG reset.
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post #9 of 30 (permalink) Old 11-18-2016, 06:24 AM
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Got several flash updates as well. Took over 2 hours. I noticed my MPG indicator shown less efficient readings... is it because they reset all the totals? Should I wait to refill the tank again. Glad I found this forum

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post #10 of 30 (permalink) Old 11-18-2016, 02:01 PM
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Got several flash updates as well. Took over 2 hours. I noticed my MPG indicator shown less efficient readings... is it because they reset all the totals? Should I wait to refill the tank again. Glad I found this forum
I would refill the tank. When my Renegade had the software update, my mpg figures were reset, if I remember correctly.
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