2021 GMC Acadia Problems and Top Complaints – Is Your Car A Lemon?

Electrical system and powertrain issues among the top complaints received by the NHTSA from vehicle owners

The 2021 GMC Acadia is meant as a luxury-minded SUV that should impress. After all, the automaker claims it is “built for families that go.” Yet, some major malfunctions are causing it to break down. From the defective electrical system to the faulty powertrain, customers are livid.

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Problems with the Electrical System

The electrical system is responsible for running just about every part of a new car, from the steering to the radio. With 2021 GMC Acadia models, the faults are causing some major concerns.

Here is one NHTSA complaint. “Car steers to left, volume does not work after a connected call while driving, screen blacks out and noise coming out of left driver door panel while car is off. Also message that SD card was removed, no apps working.”

While all of these problems are alarming, it’s important to look closer at the steering system complaint. In fact, steering issues are nothing new to GMC. It wasn’t that long ago that there were proposed class action lawsuits because of defective power steering in Acadia models. These systems were failing after just 30,000 miles. It would appear that the Acadia should actually be “built for families that can’t go.”

Problems with the Powertrain

The powertrain takes the energy created by the motor and directs it to the wheels for motion. Yet, the Acadia can’t get this basic concept down.

One Edmunds review states, “I purchased a 2021 GMC Acadia SLT on December 30th 2020. On March 11th (70 days and 1800 miles into my ownership) the vehicle lurched forward and the check engine light came on.  I’m being told by the dealer it is a stuck valve problem that GM is aware of and put out a paper on. The transmission needs replaced.  Now nobody can answer whether I’ll get a new or remanufactured transmission.  I obviously am disgusted this would happen to a brand new vehicle.  I would expect GM to put a new transmission in not remanufactured. ”

GMC isn’t blindsided by the transmission complaints. Not only have owners been discussing a known Shift to Park issue that is causing accidents, but Service Bulletin #16NA019 also talks about harsh transmission shifting, slipping and flaring that is leading to driveability concerns. It seems this SUV wants to do anything but “go,” creating just another lemon on today’s roadway.

Your Lemon Law Legal Rights

Think you have a lemon? Sit back and let the experts work aid your lemon at no cost to you. The law makes GMC pay legal fees. You may be able to get your lemon out of your life. Every year, auto manufacturers buy back, replace or pay cash settlements to thousands of ‘lemon’ owners like you.

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Brian Jones

About the Author:

Brian Jones spent more than 20 years working as an ASE Certified Master Tech and Parts Specialist at multiple dealerships. Brian has become an authority in the industry, traveling across the country to consult for car dealerships and contributing his expertise as a writer for several major automotive publications. In his spare time, Brian enjoys working on pickup trucks, muscle cars, Jeeps and anything related to motorsports.

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