2018 Jeep Grand Cherokee Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 839 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Jeep Grand Cherokee overview page.
What owners report
“THE CONTACT OWNS A 2018 JEEP GRAND CHEROKEE. WHILE DRIVING 30 MPH AND ATTEMPTING TO SHIFT GEARS, THE VEHICLE DOWNSHIFTED. THE VEHICLE WAS TAKEN MULTIPLE…”NHTSA complaint 11228291 — filed 06/28/2019
“WHILE DRIVING A MESSAGE OF SERVICE SHIFTER DISPLAYED AND VEHICLE WENT LIKE ON PARK MODE BUT IN D SHIFT. CAR WAS IN MOTION AND BECAME…”NHTSA complaint 11221224 — filed 06/19/2019
“THE CONTACT LEASED A 2018 JEEP GRAND CHEROKEE. THE CONTACT STATED THAT WHILE THE VEHICLE WAS PARKED, THE VEHICLE ROLLED AWAY IN REVERSE 5 MINUTES…”NHTSA complaint 11209713 — filed 05/24/2019
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2018 Jeep Grand Cherokee have transmission & power train problems?
Power Train is the #4 most-reported problem area on the 2018 Jeep Grand Cherokee: 67 of 839 complaints on file (8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2018 Jeep Grand Cherokee have in total?
839 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 42 involved a crash, 10 involved a fire, 33 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
