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Home >> Acura >> 2011 >> RDX 2.3 TB2 >> Repair and Diagnosis >> Body & Frame >> Seats >> Driver Position Memory System (DPMS) >> DTC Troubleshooting >> DTC B1807: Power Seat Control Unit Lost Communication With MICU (door switch message)
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DTC B1807: Power Seat Control Unit Lost Communication With MICU (door switch message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
  1. Clear the DTCs with the HDS.
  2. Turn the ignition switch to LOCK (0) and then back to ON (II).
  3. Check for DTCs with the HDS.

    Is DTC B1807 indicated? 

    YES  -Replace the power seat control unit (see POWER SEAT CONTROL UNIT INPUT TEST/REPLACEMENT  ).

    NO  -Intermittent failure, the system is OK at this time. Check for loose or poor connections.