Code No. U0100: CAN Time-out Error (Engine)




DIAGNOSTIC FUNCTION




JUDGMENT CRITERIA




PROBABLE CAUSES



  • Malfunction of the CAN bus
  • Engine ECU malfunction
  • Malfunction of CVT-ECU

DIAGNOSTIC PROCEDURE


STEP 1. M.U.T.-III CAN bus diagnostics


Use M.U.T.-III to perform the CAN bus diagnosis.

Q. Is the check result normal?

Go to Step 2.
Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting, Diagnosis Code Chart ).

STEP 2. M.U.T.-III diagnosis code


Check if the engine-related diagnosis code is set.

Q. Is the engine-related diagnosis code set?

Carry out the appropriate troubleshooting.
Go to Step 3.

STEP 3. Symptom recheck after erasing diagnosis code


Q. Is the check result normal?

Intermittent malfunction
Replace CVT-ECU.