Ram ProMaster 2500 key does not turn to start the van on Ram ProMaster 2500

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

Problem overview

Some Ram ProMaster 2500 owners report experiencing difficulties with their key not turning to start the van, which can be attributed to several potential issues. Common causes include problems with the key itself, the lock, or components within the security system. A dead battery in the key fob, worn buttons, poor battery contact, or water damage may also prevent the key from functioning properly. Additionally, some owners find that if the key is stuck in the ignition, steps such as ensuring the vehicle is in park, recharging the battery, or lubricating the ignition cylinder can help. If the van won't start, adding a ground cable might be beneficial. In some instances, the ignition may remain unresponsive despite efforts to turn the key, indicating a significant issue. Other potential reasons include the vehicle not recognizing that the transmission is in Park, problems with the ignition switch interlock mechanism, or issues with the steering lock. If the ignition key is stuck due to a dead battery or misalignment of the shifter cable, it is advisable for owners to troubleshoot these concerns promptly to resolve the issue effectively.

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