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Pinpoint Test Z: U2019: VOICE CONTROL MODULE NOT RESPONDING

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 Jaguar S-Type, 2007 Jaguar S-Type, 2006 Jaguar S-Type, 2005 Jaguar S-Type, and 2004 Jaguar S-Type. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VOICE CONTROL MODULE, USING OPTICAL BUS TESTER 

    Connect the Optical Bus Tester to the fibre optic lead connector, RA04.

    Set the Optical Bus Tester to BY-PASS.

    CLEAR the DTC.

    Turn the ignition switch to the ACC position.

    Wait for 10 seconds.

    Check for "not responding" DTCs.

    Is U2019 set? 

    YES:  Go to step  3.

    NO:  Go to step  2.

  2. CHECK FOR DTC U2602 OR U2603 

    Check DTCs.

    Are codes U2602 or U2603 logged? 

    YES:  Go to step  6.

    NO:  Recheck DTCs. No break in optical harness.