One problem related to transmission gear slipping has been reported for the 2003 Nissan Maxima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Nissan Maxima based on all problems reported for the 2003 Maxima.
Transmission slips. Happens every day for past 3yrs. Tune up, transmission flush, new motor mounts, new spark plus and ignition coils.