NHTSA Complaint #11535956 — 2018 GMC ACADIA

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11535956
Vehicle	2018 GMC ACADIA
Component	POWER TRAIN
Date of Incident	July 31, 2023
Date Filed	August 1, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	PA

Consumer Description

After being driving vehicle will not shift into park. When shifter is moved into park position vehicle is not recognizing this and will continue to move. Gear shifter has to be wiggled around for vehicle to finally get into park or at all. Safety concerns - if vehicle is not in park mode vehicle can roll away or continue to move causing damage or injury to persons or property. Online research indicates this is a nationwide problem and there are several lawsuits against gmc concerning this issue. All instances seem to be associated with the Acadia.

Related Complaints for the 2018 GMC ACADIA

Other POWER TRAIN Complaints

#11714992 — February 2, 2026 — 2018 GMC Acadia comes up with an error message "shift to park" and does not allow me to fully engage my car into the ...

#11712102 — January 20, 2026 — The contact owns a 2018 GMC Acadia. The contact stated that while starting the vehicle and attempting to shift into p...

#11712286 — January 20, 2026 — Gear shifter will not go into park.

#11710440 — January 12, 2026 — Car will not shift into park therefore I cannot turn the car off without disconnecting the battery. Dangerous bc you ...

#11703859 — December 8, 2025 — Shift to park message has appeared again and the engine will not cut off. First happened in Feb 2020, mileage was 31...

Recent Complaints for the 2018 GMC ACADIA

#11716369 — ELECTRICAL SYSTEM — February 7, 2026 — The vehicle has experienced repeated electrical and engine-related malfunctions, including random engine shutdowns wh...

#11716369 — ENGINE — February 7, 2026 — The vehicle has experienced repeated electrical and engine-related malfunctions, including random engine shutdowns wh...

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#11715106 — ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING — February 2, 2026 — The contact owns a 2018 GMC Acadia. The contact stated that upon parking the vehicle and attempting to release the ke...

#11715106 — LANE DEPARTURE: LANE KEEP: STEERING ASSIST — February 2, 2026 — The contact owns a 2018 GMC Acadia. The contact stated that upon parking the vehicle and attempting to release the ke...