2015 JGC Overland 'Service Shifter' light - Page 2 - Jeep Garage - Jeep Forum

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  #13  
Old 10-29-2015, 09:48 PM
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Re: 2015 JGC Overland 'Service Shifter' light

I would reccomend replacing the modules dealer suggestted., it sounds like more of an electronic issue than mechanical. There is a module plugs into the side of the tranny on these things.TCM
ECM is more of a main controller as I understand it. Some of these things are faulty. I had a couple of these replaced on my unit a few months back along with a faulty wiring harness. Been no issues since.

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  #14  
Old 11-17-2015, 12:11 PM
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Re: 2015 JGC Overland 'Service Shifter' light

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Originally Posted by dtopa View Post
Hi Everyone. First time Jeep owner and really like my JGC. Love how quiet it is and the surprising power (ecodiesel). But, hope I am not looking at a long term PIA: since I drove it off the lot (now at 1,200 miles), I have the same recurring problem. I am getting a 'Service Shifter' warning light and audible ding only when I turn left. Any speed, any transmission state (auto, sport, manual) and after the jeep has driven for about 15-20 minutes. Light stays on for 2-3 seconds. Dealer says it does not show up on event list; they did say they found a service bulletin indicating that a loose connection could be the cause of the problem. They kept the car for two days, telling me that they found the connector, disconnected and reconnected. They tested the car for about 8 miles and reported no Service Shifter events. When I drove it home, after 10-12 miles, I got the service light. I thought the service adviser was very nice and seemed knowledgeable and I have no real problems going back but I would like to see if we can figure this out before someone starts tearing the car apart. I've searched high and low for "2015 JGC Service Shifter" and have found very little (what does show up is a couple problems in 2014 but the problems were very different). I have a video attached to show how the alert occurs (seems to have a problem with 3.4mb file). So, good friends, I am open to any advice on how to proceed. I really love this car.
hey hi there did the dealer resolve your concern ??????
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  #15  
Old 11-18-2015, 10:33 AM
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Re: 2015 JGC Overland 'Service Shifter' light

Thanks, Thunderbolt and FCA Mototech. Problem is still going on. I've decided to let this play out rather that start tearing the jeep apart. The problem has evolved to some extent, here's the current condition. The audible ding and MIL are still going on but occur less frequently. Recently, I noticed when turning left and MIL pops up, I can hear and feel a slight rubbing/vibrating sound which seems to be coming from the right side. Kind of feels like it is coming from transmission area. Can't swear but the vibration doesn't feel mechanical (as in the transmission), more like a body part rubbing, but could be something in the suspension which is related to turning left. Another observation is that if I drop the right wheel off the pavement while turning left, I always get the MIL (to clarify--there's a lookout area near me, and a drop where pavement ends. When I pull in, the jeep is virtually stopped and have wheels turned left). Thanks for your comments.
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  #16  
Old 11-18-2015, 11:39 AM
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Re: 2015 JGC Overland 'Service Shifter' light

hello there and thanks for the reply.i am working on jgc WK 2015.i am having similar problem.... when i turn the steering on left SERVICE SHIFTER message pops up.well i am getting codes like lost Communication with CAN-C modules.now CAN-C is a network form which Communication is done by powertrain modules.so far i have gone through all the related wirings and also replaced few of the modules but no luck.when you turn your steering the steering angle sensor plays a big role in it via sending angle info. via CAN BUS.well so far i had no luck let me know whats going on with your jeep..one more thing can please do a video of a scenario where u pull in from pavement end.i guess that would help me a lot..thanks
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  #17  
Old 11-19-2015, 10:20 AM
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Re: 2015 JGC Overland 'Service Shifter' light

hello there again.i have resolved the issue on jeep well if u need some info. then please let me know...
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  #18  
Old 12-11-2015, 02:52 PM
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Re: 2015 JGC Overland 'Service Shifter' light

FCA MOTOTECH, sorry, I can't lost touch here. Yes, would love to know what you found. Thanks.
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  #19  
Old 04-29-2016, 11:09 PM
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Re: 2015 JGC Overland 'Service Shifter' light

I recently bought my Ecodiesel Limited a few months ago and just joined the site today. I figured I'd revive this thread since I'm having the exact same issue. Dings and "service shifter" displayed only when I turn left or hit speed bumps.

Dealer replaced several shifter modules, and assemblies short of the actual shifter handle and have checked practically every connection in the vehicle. Its been to the dealer 3-4 times for the same issue and has a "STAR" case file open with FCA. The next step might involve dropping the transmission to find the problem; yikes! Any suggestions or solutions would be appreciated.
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  #20  
Old 04-30-2016, 12:59 PM
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Re: 2015 JGC Overland 'Service Shifter' light

Mr. Plow, thanks for your post since it kind of reinforces my approach to the 'Service Shifter' problem (not faulting you for your choice to let the dealer tear into and replace a bunch of stuff, I'd just rather not do that). I still have the problem but it occurs less and less. I've found to get the MIL now, I have to: a) been driving for 20-30 minutes, b) making fairly sharp left hand turns at 25 mph or more and c) maybe only on flat or uphill roads (I think it does not happen on downhill roads).
Just curious: I have been noticing an increasing 'growl' on right side, under jeep, mid-car or forward of that) when I turn left from a stop (sound stops when you straighten out). I notice this growl (kind of sounds like a rub but does not feel mechanical like trans or axel). This is more of a hunch (that it is related to MIL) but I wonder if you have noticed anything like this?
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  #21  
Old 04-30-2016, 01:21 PM
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Re: 2015 JGC Overland 'Service Shifter' light

Thanks for the reply man. I respect your decision to let it be. Mine started with around 500 miles on it, so being new I just wanted it fixed. I haven't noticed new ill effects having them tear into it, but I did have to pop some of the plastic trim around the console back in once after they worked on it.

I haven't noticed any growl or odd sounds. Mine is pretty random as far as when the MIL goes off. However when it does, it is always a left turn or speed bump/pot hole. Where I work there is a road with 3-4 speed bumps in a 1/4 mile stretch and it went off on each bump (really annoying).
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  #22  
Old 04-30-2016, 01:24 PM
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Re: 2015 JGC Overland 'Service Shifter' light

Hmmm, thanks for reply. Here's a thought: what is your build date?
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  #23  
Old 04-30-2016, 10:27 PM
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Re: 2015 JGC Overland 'Service Shifter' light

Mine says 11-15 for the build date. Born in November same as me
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  #24  
Old 05-07-2016, 08:39 AM
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Re: 2015 JGC Overland 'Service Shifter' light

Hey Scorpio (Plow), me too. But our build dates are different, mine is July '15 (so no blaming it on a particular snafu on the assembly line).
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