Lexus ES: CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION
If DTC U1000 is stored frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again even if the DTC is not output when rechecking for DTCs.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
U1000 | CAN Communication Failure (Message Registry) | ECU malfunction | Clearance warning ECU assembly |
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs
(b) Check for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
OK:
DTC U1000 is not output.
HINT:
If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even if the DTC was not output when rechecking for DTCs.
Click here
OK | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
Inspect the fuses for circuits related to this system before per
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