DTC Code | DTC Name |
---|---|
U1000 | CAN Communication Failure (Message Registry) |
DESCRIPTION
When the clearance warning ECU assembly determines that the CAN communication circuit is malfunctioning during self diagnosis, DTC U1000 is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
U1000 | CAN Communication Failure (Message Registry) | CAN communication circuit malfunction is detected | Clearance warning ECU assembly |
PROCEDURE
CHECK FOR DTC
Using the GTS, check for DTCs according to the prompts on the screen.
Tech Tips
After turning the engine switch from off to on (IG), wait 10 seconds or more before checking for DTCs.
Clear the DTCs according to the screen on the GTS.
Recheck for DTCs.
OK |
---|
DTC U1000 is not output. |
Tech Tips
If DTC U1000 is not output after clearing the DTCs, an intermittent CAN communication circuit malfunction is suspected.
If DTC U1000 is output frequently, replace the clearance warning ECU assembly, even though the DTC was not output when rechecking for DTCs.
Result | |||
---|---|---|---|
|
OK |
USE SIMULATION METHOD TO CHECK Click here |
NG |
REPLACE CLEARANCE WARNING ECU ASSEMBLY Click here |