2024 Jeep Grand Wagoneer Complaints

Transmission and fuel injector malfunction: Vehicle shutters upon acceleration. Particularly noticeable driving up hill or when maintaining speeds. Vehicle is available for inspection upon request. Jeep acknowledges the issue, noted a malfunction with PICO data and a fuel injector repair was done under warranty. Stellantis deems the shuttering "acceptable." Safety is at risk as there is a hesitation and inconsistency in the transmission while driving. Yes the problem has been reproduced by 2 dealers, a Stellantis Starcase was opened and Stellantis has a SOL published for service centers but is refusing to release the fine print of the SOL to the consumer. The vehicle has not been inspected by the manufacturer despite 3 open cases requesting that a Stellantis Master Technician review the issue. Yes there were several warning lights including "Service Transmission" and "Check Engine" that began appearing at 6000 miles. The issue persists today at 14k miles.

Vehicle was driven for 5 minutes before alerting that it was overheating. While attempting to pull into a safe location off of a main road, the vehicle would not allow me to accelerate. This left our family stranded in the turn lane. I was unable to restart the engine or shift into drive.

The contact owns a 2024 Jeep Grand Wagoneer. The contact stated that while driving approximately 35 MPH, the vehicle unintendedly shut off. The vehicle failed to immediately restart. After restarting the vehicle, the vehicle operated normally for a short while before erroneously shutting off a second time. The contact stated that during the failure, another vehicle almost crashed into the rear of the vehicle, and the vehicle failed to immediately restart. Additionally, while operating the vehicle, the instrument cluster malfunctioned and started pixelating, making the screen unreadable. During the failure, the contact was unable to view the safety information, and the lane departure feature was inoperable. The vehicle was later towed to the local dealer. The cause of the failures was not yet determined. The manufacturer was notified of the failure. The failure mileage was 35,000. The VIN was not available.

The thermostat failed causing the vehicle to go into a reduced power mode while climbing a hill with a trailer. The dealer has a technical service bulletin for this issue but the overheating can call engine damage or an accident when the vehicle has reduced power. There were no warnings on the cluster until the car was already in a protection mode and power had been reduced. The cluster coolant temperature gauge is slow to respond and not accurate.

NHTSA ODI COMPLAINT UPDATE — #XXX 2024 Jeep Grand Wagoneer L | VIN: [XXX] Date of Update: April 15, 2026 Current Odometer: 94,896 miles This is a formal update to my previously filed NHTSA complaint (ODI #XXX) to document new evidence, continued defect progression, dealer misconduct, and retaliatory conduct by an authorized Stellantis dealer following my complaint filing. DEFECT ORIGIN — 325 MILES FROM PURCHASE Stelantis’s own connected vehicle service history app confirms the electrical system defect was present from near-delivery. The complete documented service history for electrical system inspections is as follows: • February 19, 2025 — 325 miles — West Herr CDJR Orchard Park, NY — Electrical system inspection • February 24, 2025 — 326 miles — West Herr CDJR Orchard Park, NY — Electrical system inspection • March 11, 2025 — 357 miles — West Herr CDJR Orchard Park, NY — Inspect electrical system, vehicle inspections • March 21, 2025 — 779 miles — West Herr CDJR Lockport, NY — Vehi...