DTC U1000: CAN Communication Failure (Message Registry) [08/2014 - ]: Procedure

1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2014 - ] .
2. Recheck for DTCs and check that no DTCs are output. Refer to DTC CHECK / CLEAR [08/2014 - ] .

   HINT: 

   • If the DTC is not output again when rechecking for DTCs, it may have been stored due to a temporary CAN malfunction.
   • If DTC U1000 is output frequently, duplicate the problem symptoms and perform the inspection again, even though the DTC is not output when rechecking for DTCs. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] .

   Result

   Result	Proceed to
   DTC U1000 is output	A
   DTC U1000 is not output	B

B → See step   3 

A → See step   2