One problem related to automatic transmission floor shift has been reported for the 2003 Jeep Wrangler. The most recently reported issues are listed below.
Automatic transmission intermittenly does not provide a positive gear position lock. Vehicle slips into neutral from drive. Transmission also will not properly lock into park position making it where you can not remove the key from the ignition. Taken vehicle back to dealership twice and they can not find the problem. Concenered the vehicle could slip into reverse from drive accidently.