Code No. P0630: Chassis number not written




PROBABLE CAUSES




DIAGNOSIS PROCEDURE


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


Q. Is the check result normal?

Go to Step 2.

Repair the CAN bus line.

STEP 2. Write the correct VIN to the REMCU.


Write the correct VIN to the REMCU. (Refer to GROUP 00 - How to Perform Chassis Number (Chassis No.) Writing .)

Q. Is it written successfully?

Go to Step 3.

Replace the REMCU. (Refer to .) Then go to Step 4.

STEP 3. Check whether the diagnosis code is stored again.


Check whether the REMCU stores a diagnosis code again.
(1)Drive the vehicle.
(2)Check if the diagnosis code is stored.

Q. Is diagnosis code stored?

Replace the REMCU. (Refer to .) Then go to Step 4.

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How to Cope with Intermittent Malfunctions ).

STEP 4. Check whether the diagnosis code is stored again.


Check whether the REMCU stores a diagnosis code again.
(1)Drive the vehicle.
(2)Check if the diagnosis code is stored.

Q. Is diagnosis code stored?

Return to Step 1.

This diagnosis is complete.