One problem related to transmission gear indicator has been reported for the 2002 Acura TL. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Acura TL based on all problems reported for the 2002 TL.
My 2000 and 2002 Acura Tls have both had total transmission failure. Both experienced erratic shifting, flashing drive gear indicator, and finally complete failure in the 50 - 60000 mile range.