One problem related to transmission failure has been reported for the 2001 Infiniti QX4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Infiniti QX4 based on all problems reported for the 2001 QX4.
Manufacturer is aware of problem, insists that computer needs reprogramming. Transmission failed road test by mechanic and a long list of owners awaiting remanufactured transmission boxes (according to dealer service department at fields Infiniti glenview). Transmission boxes need to be ordered from japan, resulting in one month delay of repair. Two technical service bulletins already exist for same problem.