NHTSA Complaint #11624947 — 2018 CHRYSLER PACIFICA

The contact owns a 2018 Chrysler Pacifica. The contact stated that since 2019, the "Auto START/STOP feature unavailable" message was displayed on the instrument panel. Due to the failure, the vehicle intermittently failed to start, the vehicle was jerking and hesitating while depressing the accelerator pedal, and the vehicle also shut-off unintendedly while driving at various speeds. The vehicle had been towed to a dealer on several occasions and the auxiliary and the main batteries replaced; however, the failure returned approximately a year and a half later. To prevent the failure from recurring, the contact disabled the Auto START/STOP feature to prevent the vehicle from stalling. The contact stated that numerous repairs had been performed on the vehicle and that the only other solutions would be to replace the transmission, perform a software update or replace a possible unknown sensor. Additionally, the contact stated that while turning off the vehicle there was an abnormal knocking sound coming from the engine. The manufacturer was notified of the failure and the contact was given a case number. The vehicle was not repaired. The failure mileage was approximately 64,000.