Chrysler Pacifica starting issue with unresolved sensor diagnostics after multiple inspections on Chrysler Pacifica

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Chrysler Pacifica owners report experiencing starting issues that may be linked to several potential causes. These include problems with the Range Sensor in the transmission, which detects the gear position, leading to starting difficulties. Additionally, some owners find that battery voltage issues could be the root of the problem, necessitating a battery voltage test. Unresolved OBD2 codes can provide crucial insights before manual diagnostics are conducted. Even after multiple replacements, issues with the starter or battery might persist, contributing to ongoing starting problems. Furthermore, software-related issues may require a system reset or software updates at a Chrysler dealership to resolve malfunctions in the start-stop system. Fuel pressure, ignition problems, or lack of spark are also common factors affecting the Chrysler Pacifica's ability to start. Lastly, complications with the immobilizer system, key fob, or immobilizer module may prevent the engine from starting, even when a recognized key fob is used. It is advisable for owners to investigate these areas thoroughly to identify and address the underlying causes of their starting issues.

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