DTC B1806: Power Seat Control Unit Lost Communication With MICU
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
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC B1806 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- Check for DTCs with the HDS.
Are DTCs B1055, B1106, B1157, B1255, B1355, B1556, B1955, B2005, and/or B2055 also indicated?
YES -Do the MICU input test (see MICU INPUT TEST ).
NO -Do the power seat control unit input test (see POWER SEAT CONTROL UNIT INPUT TEST/REPLACEMENT ).