One problem related to automatic transmission control module has been reported for the 2003 Jeep Wrangler. The most recently reported issues are listed below.
2013 Jeep Wrangler. Consumer writes in regards to intermittent engine problems, while driving up hills acceleration speeds decrease. The consumer stated upon driving up hills, the check engine light illuminated. The consumer stated after doing some research online, it appeared that another model was recalled for the same problem. Owners indicated the cam shaft sensors and dynamic sensor control needed a tcm update.