Some Chrysler Pacifica owners report experiencing issues with their vehicle not starting and producing a clicking sound, which may be linked to a weak battery that has enough charge to activate the solenoid but not enough to power the starter. Others have encountered problems with a faulty starter motor that fails to engage properly, resulting in a similar clicking noise. Additionally, some owners have reported complications related to the Powertrain Control Module (PCM), which, while less common, can prevent the engine from starting correctly. Issues with the immobilizer system, which requires the correct key fob to start the engine, have also been noted. Furthermore, problems with the starter cable or relay can hinder the starter motor from receiving the necessary power. It is advised that owners check these components to diagnose the issue accurately and facilitate repairs to restore the vehicle's functionality.

If the HVAC (heater) housing is not properly sealed at the bulkhead (firewall), water can leak into the passenger compartment. Foam sealant should be used to seal any gaps and the evaporator drain tube can be modified to prevent further water entry.