Visited my local dealer today and heard about an issue with 2015 Tahoe LTZ's magnetic ride suspension. At approx 25 mph the suspension goes hard and as best described chatters like going over a railroad crossing. At approx 45 it goes away and all is fine. The problem has appeared on four or five delivered units. The official GM response is it must be the roads in the area. The dealer service manager is pretty sure it is a software issue. The issue has not appeared on any 2015 Suburbans as of yet.
2015 Tahoe LTZ - Developing Problem With Magnetic Ride Suspension?
adplusone
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2015 Tahoe LTZ is at our local GM dealer now for similar problems described in this thread. Have 61k miles on it. 20" Goodyear Eagles (ilo the continentals that came on it) installed about 4k miles ago. Fairly decent ride (though not as nice as 2010 Tahoe), however was more rigid until two weeks ago. We returned from the lake, towing our boat about 15 miles, and after storing boat, noticed that the front end was acting a bit strange. Instead of the stiffer ride, we experienced a loose, bouncing ride after each bump in the road, as though there is no shock dampening whatsoever. Seems to primarily be the front right (passenger side). Watching the front end while driving down the road, you can literally see the hood dip and bounce after each bump at a very exaggerated level.
My 2016 Denali rides like it has square wheels. GMC promises the Magnetic Ride Control will give a ride that will “rival that of a premium luxury sedan" in the sales booklet. After a year of stalling and testing, they now tell me it will cost me $700.00 to switch the Continental tires to a softer riding tire. This begs the question, why did they use such a hard riding tire on their Luxury Model Yukon? It's not their first rodeo!! Seems like they’re hiding something.
My 2015 Tahoe LTZ rides like a covered wagon. I have fought GM for three years over this condition. I did get a $3500.00 voucher to use toward the purchase of a new Chevrolet but after what I've been through no thank you. I have found what I believe to be a fix for the rough ride. It would be a simple task to just replace the Mag Ride shocks with aftermarket non-electric shocks but then you would have an alert light on the dash that would stay on. A company called X-ineering Motorsports produces a Bypass Kit that fools the computer so it thinks the Mag Ride shocks are still on. A full kit for 4 wheels is $425.00. They also sell a half kit for 2 wheels for $260.00. I ordered new OEM front and rear shocks for a Tahoe without the Z95 Mag Ride suspension. Part number for the front 540-1676 rear 540-1675. I believe I will spend around $1000.00 including labor to address the rough ride issue. I'll post an update after I get everything installed.
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3,798 Posts
I cant wait to hear how "stop/start" cars fair after years of being on the road.
Rough ride problem solved. E-Engerring sells a kit that includes ride and level sensors that replace the factory sensors. Installing these sensors will eliminate any suspension alerts you may see on the dash or the DIC. I replaced the factory Mag Ride shocks with OEM AC Delco non-magnetic shocks and my Tahoe now rides like a $70,000 vehicle should ride.
2015 Cadillac XTS Platinum, 2014 Cadillac Saks 5th Ave ELR, 1989 Merkur XR4Ti, 1989 Merkur Scorpio
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12,993 Posts
$1K is not a bad price to permanently fix the problem. Beats the hell out of wheel/tire swaps, which can get a lot more expensive real quick.
I owned a '99 Tahoe that had none of this techno-frippery. It had a magic carpet ride even with 20" wheels.
None of this stuff is necessary. It's just something to go wrong.
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3,599 Posts
In 2015 I was ready to buy a new full-size 4WD SUV, to replace my Dodge Durango SLT 4x4. I had owned GM vehicles (and a few Dodge models) for more than 45 years.
I looked at the 2015 Tahoe LTZ 4x4 but did not like the cramped third row seat. The 2015 model year had quickly accumulated five safety recalls in its first few months.
I bought a new 2015 Ford Expedition Limited 4x4 - my first Ford ever. I’ve had a few quality issues repaired under warranty. The vehicle rides very, very nice (and still no safety recalls).
After reading numerous posts about the rough ride and the leaking roof seams (and the safety recalls), I’m glad I did not buy a new 2015 Tahoe.
Good luck with your ride.
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9,816 Posts
O used to own an 07 Avalanche with th 20 inch wheels I had put a 2 inch quick lift in the front and NEW FACTORY rear springs in the rear did NOT have the air ride shocks in it
that thing rode like a CADDY
that thing rode like a CADDY
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did you know the name of bypass kit or where can i find it?
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8,210 Posts
We replaced a customers mag shocks with a set from ebay several years ago because the customer was not willing to pay the price. You may try that.
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