DTC U0141: ETACS CAN timeout: Diagnosis
- STEP 1. Using scan tool (M.U.T.-III), diagnose the CAN bus line.
Use the scan tool (M.U.T.-III) to diagnose the CAN bus lines.
Q: Is the check result normal?
YES: Go to Step 2.
NO: Repair the CAN bus line (Refer to TROUBLESHOOTING ) and then go to Step 4.
- STEP 2. Using scan tool (M.U.T.-III), read the combination meter diagnostic trouble code.
Check if DTC No. U0141 is set in the combination meter.
Q: Is the DTC set?
YES: Go to Step 3.
NO: Go to Step 4.
- STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set in the camera-ECU.
- Erase the DTC.
- Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
- Check if DTC is set.
Q: Is the DTC set?
YES: Replace the ETACS-ECU.
NO: A poor connection, open circuit, or other intermittent malfunction in the CAN bus line between the camera-ECU and the ETACS-ECU. (Refer to How to use Troubleshooting/Inspection Service Points - HOW TO COPE WITH INTERMITTENT MALFUNCTION .)
- STEP 4. Recheck for diagnostic trouble code.
Check again if the DTC is set in the camera-ECU.
- Erase the DTC.
- Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
- Check if DTC is set.
Q: Is the DTC set?
YES: Replace the camera-ECU. (Refer to CAMERA-ECU REMOVAL AND INSTALLATION )
NO: A poor connection, open circuit, or other intermittent malfunction in the CAN bus line between the camera-ECU and the ETACS-ECU. (Refer to How to use Troubleshooting/Inspection Service Points - HOW TO COPE WITH INTERMITTENT MALFUNCTION .)