DTC U1000: CAN Communication Failure (Message Registry) [10/2018 - ]: Procedure
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- CLEAR DTC
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
- Clear the DTCs.
Body Electrical > HL AutoLeveling > Clear DTCs
Result
Proceed to NEXT
Result:
NEXT
See step 2
- CHECK FOR DTC
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
- Check for DTCs.
Body Electrical > HL AutoLeveling > Trouble Codes
OK
DTC U1000 is not output.
Result
Proceed to OK NG
Result:
OK
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 11/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2019 - 09/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]
Result:
NG
REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [10/2018 - ]