2014 GMC Acadia: check engine light

Filed Jun 15, 2026 · Engine, Transmission · 160,000 miles · OH

The contact owns a 2014 GMC Acadia. The contact stated that while in park(P), the vehicle rolled, requiring the driver to turn off and restart the vehicle, and the vehicle successfully shifted in park(P). Additionally, the contact stated that while driving at various speeds, the vehicle jerked. The contact stated that while driving 60-65 MPH, the vehicle shut off, and the steering wheel and the wheels locked up. The contact was barely able to pull over to the side of the road, where the contact waited before restarting the vehicle. The contact stated that the Check Engine warning light was recently illuminated. The vehicle was towed to two independent mechanics, where several diagnostic trouble codes associated with the transmission and the transmission module and solenoid were retrieved. The contact was then referred to a transmission specialist, where the vehicle was towed and was being diagnosed. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 160,000.

Filed Apr 18, 2026 · Engine · NJ

Engine randomly shuts off when driving for no reason. Will restart and check engine light comes on. Has now happened three times , twice to me in traffic. One of those the car went into a limp mode where it wouldn't drive above 30mph at most. This is very unsafe in the middle of highway traffic. The second happened approaching a traffic light , I put the car into neutral and luckily it restarted and check engine light came on. The third time my wife had her friends in the car and it shut off at a light , she had no idea what to do. I had her stay there and brought her our other car. I have read this is caused by a known fuse box issue. They should be made to fix this problem before someone gets seriously hurt driving in traffic.

Filed Nov 16, 2025 · Electrical, Engine · OR

My 2014 GMC Acadia constantly displays “Service Stabilitrak,” “Service Traction Control,” ABS, brake, and check-engine warning lights. The vehicle will not accelerate past 40 mph under normal driving. Recently, the vehicle began showing “Engine Power Reduced” randomly without any warning, and the vehicle loses power suddenly. The OBD2 code P1682 (Ignition 1 Circuit/Relay failure) appears every time. This issue has caused the vehicle to jerk, lose acceleration, and even stall in the middle of an intersection during rush-hour traffic while my children were in the car, creating a serious safety hazard. These warnings and symptoms are constant, and the power-reduction events occur unpredictably. No official inspection has been completed by the manufacturer. The failed component is still in the vehicle and available for inspection. The malfunction affects traction control, stability control, braking systems, and engine power, putting occupants and other drivers at risk.

Filed Apr 28, 2024 · Electrical, Fuel system · CA

I have many problems with this vehicle, numerous times. Inaccurate Fuel Gauge Reading- It has resulted in my vehicle running out of fuel and stalling, while on road. I have 4 children who are at risk of danger while in vehicle.The fuel warning light has illuminated when the gauge needle says I still have more than plenty of amount (a quarter of a tank or more at times. It differs). It was diagnosed with an electrical and fuel system failure. Electrical shorts and problems- Having electrical shorts on and off. Check engine light comes on/off Vehicle randomly failed to start. My vehicle was difficult to start and would require several attempts before starting. Power lock/unlock key fob doesn't work, replaced battery multiple times.windows and sunroof power windows do no work. Radio and dash turn off and restart. Check airbag light has been coming on and off. Power Train intermittently, the transmission shifts with a loud thump, at various speeds. Vehicle starts shaking and jerking while shifting gears and going different speeds. My vehicle slows down, power reduce engine and steering difficult at times. Other/ water leak- Found water in all of my tail light assemblies, headlight assemblies, sunroof and windows leaking. There is no proper seal or has worn off, causing leaks in and repairs for many replacements, which are expensive temp fixes with no permanent solution. Causes accidents by not having necessary working equipment for driving conditions. Other:Hood doesn't latch and stay open so difficult to even check fluids properly alone. Multiple dealers have inspected problems, and needs to be fixed. There are recalls out for many of these problems and my vehicle needs to be on the list for serious safety issues.

Filed Nov 30, 2023 · Electrical, Engine · CA

I have had many problems relating to this vehicle, for only owning it for a year. Inaccurate Fuel Gauge Reading- My fuel gauge is inaccurate. It has resulted in my vehicle running out of fuel and stalling, while on road. I have 4 children who are at risk of danger while in vehicle.The fuel warning light has illuminated when the gauge needle says I still have more than plenty of amount (a quarter of a tank or more at times. It differs). I have taken to many shops, it was diagnosed with an electrical and fuel system failure. Electrical shorts and problems- Having electrical shorts on and off. Check engine light comes on/off Vehicle randomly failed to start with no good reason/cause. My vehicle was difficult to start and would require several attempts before starting. Power lock/unlock fob doesn't work, replaced battery multiple times. My windows and sunroof power windows do no work and unable to fully close on/off at times. Check airbag light has been coming on and off. Power Train intermittently, the transmission shifts with a loud thump, at various speeds. Vehicle starts shaking and jerking while shifting gears and going different speeds. My vehicle slows down, power reduce engine and steering difficult at times. Other/ water leak- Found water in all of my tail light assemblies, headlight assemblies, sunroof and windows leaking. There is no proper seal or has worn off, causing leaks in and repairs for many replacements, which are expensive temp fixes with no permanent solution. Causes accidents by not having necessary working equipment for driving conditions. Other:Hood doesn't latch and stay open so difficult to even check fluids properly alone. Multiple dealers have inspected problems, some have not been able to pin point the problem for some of these issues or have been charged unaffordable amount before fixing, and only diagnosing problem. There are recalls out for many of these problems and my vehicle needs to be on the list for serious safety issues!

Filed Oct 13, 2023 · Electrical · 143,839 miles · MI

I have been having the same issue with my car for 11 months now. My car has been in the shop more than in my possession. I have paid for repairs that did not solve the problem as well as thousands in car rental fees. When I am driving my car at over 70 MPH on the expressway the dash board lights up with a check engine light and then reads traction control turned off, service stabilitrak and the reduced engine power. The car then reduces down to just over 30 MPH right in the middle of the expressway. I've barely missed several accidents that could have killed someone. I have been in and out of the dealership as well as contacted GMC directly. This seems to be a common issue in this make and model of GMC (2014 ACADIA) and I am getting no where with any help or compensation from them. I was just quoted today for another almost $1900.00 repair that may not even solve the issue. I am still paying on this vehicle and am a front line worker who relies on this vehicle as I am a traveling Occupational Therapist. I don't think it's right that big business can just run over the little guys like this, not to mention the safety aspect and possible death can result in this issue. They have also not fixed the recall on the air bags which can lead to death as well. Please tell me there is something can be done about this.

Filed Apr 9, 2021 · Electrical · 110,000 miles · WV

A code p1682 -ignition switch circuit will pop up. I've had the problem for a year, the vehicle will seem like it doesn't have a lot of power at times. The engine light will come on, reduced engine power and traction control off. The battery voltage drops below 13 . I have changed the battery, alternator, throttle body, gas pedal sensory. It does all of that while driving, and starts to stall on me. That code popped up once last year and I took it to the shop and they said it wouldn't come up and it's doing it a lot more. I have did research and have seen many issues with a fuse block and ignition switch.

Filed Apr 5, 2021 · Electrical · 84,000 miles · KS

When turning on the car it immediately gave a check engine light, began violently shuddering, and ran "service stabilitrak" "traction control off" and "reduced engine power" warnings. We have taken it to 2 different dealerships and they keep telling us nothing is wrong with the vehicle. We have even called gmc service line directly and explained that this occurs while we are driving the car and the vehicle will sometimes completely shut off. This time the vehicle was parked and initially turned on. We restarted the car and it took two tries before it appeared to start "normally." the check engine light is still on.

Filed Mar 18, 2021 · Electrical, Engine · 83,000 miles · KS

My acadia has shut off without warning multiple times. Today, I was in a parking lot picking up a prescription. The car was idling while I was waiting in the pick-up lane and then shut off. The dash remained on and gave the following warnings: traction control off, engine power reduced, service stabilitrack. I tried to restart the engine only to have the car shutter violently while idling. I turned the car off again and then restarted for a second time. This time it restarted as normal and the check engine light came on. I have taken it to a dealer 4 times since october as it has shut off while driving and making a turn. The dealer says there are no codes in the diagnostics and cannot find a problem. I'm terrified to drive the car. I saw a recall from 2014 about an electrical short but I don't know if that was already fixed on this vehicle since I bought it used. I also don't know if this is even related to that recall.

Filed Feb 4, 2021 · Engine · 44,547 miles · NJ

Tl* the contact owns a 2014 gmc acadia. The contact stated that the check engine warning light was illuminated. The contact took the vehicle to jim curley buick gmc of keyport (400 nj-35, keyport, nj 07735) to have a diagnostic test performed. The technician retrieved failure codes: p0018 and p0021 showing that the timing chain and camshaft actuator were no longer performing properly. The contact was informed that the timing chain needed to be replaced. The contact also wanted to state that the vehicle was taken to same dealer several times for the engine light being illuminated however, the dealer cleared the engine codes under the vehicle warranty. The vehicle was not repaired. The manufacturer was contacted. The failure mileage was 44,547.

Filed Dec 9, 2020 · Electrical, Engine · 84,000 miles · KS

While driving on the highway my car began shuttering and the warning system went off stating the traction control had gone off. Then it said engine power reduced, service engine, and service traction. The car began shaking and immediately slowed down. I pulled over and turned off the car. Upon restarting the car I received a message that said traction control on. But the engine light came on. This is the second time this has occurred. The first time it happened I took my car to the dealership to which they said they couldn't find anything wrong with it. After doing a google search today, I found that this seems to be a common problem in gmc acadia and I am shocked that it hasn't be reported/recalled. In retrospect, I have noticed that sometimes when I accelerate, the car will fail to shift gears in a timely manner and jerk forward when it finally does so. I was on the highway with all three of my children in the car when this happend!

Filed Nov 10, 2020 · Airbags, Engine · 79,000 miles · TX

Timing chain/belt. Suv is making a loud rattle when turning vehicle on. I got this issue "fixed" last yea right at 79,000 miles. Warranty paid for it. 20,000 miles late I am having the same issue again, rattle noise, engine light on, air bag light is on. It worries that this will be a major if it gives out while I am driving with my kids.