A: No. CDA6 only updates maps and stability. If your Chrysler did not come with CarPlay from the factory, a firmware update alone will not add it. That requires a hardware upgrade.
When used with a DRB III emulator, it can support older vehicle platforms that predate modern CAN-bus systems. System Requirements for CDA6 cda6 chrysler download
One of the most frustrating experiences is turning on your Chrysler only to see a greyed-out navigation button or a message reading: “Navigation unavailable. Please insert USB with map update.” This typically occurs after a battery disconnect, a system reboot, or a failed over-the-air update. The system has lost the path to its map files and needs the CDA6 firmware to re-establish them. That requires a hardware upgrade
Historically, Jeep and Chrysler provided downloadable USB images on their driveuconnect.com website. Please insert USB with map update