Keyless Operation System (KOS)

DTC B2206: VIN code mismatch

DTC SET CONDITION

KOS-ECU sets DTC B2206 when VIN registered in it and VIN that has been transmitted on the CAN bus do not match.

TECHNICAL DESCRIPTION (COMMENT)

KOS-ECU determines that the abnormality is present when VIN registered in it and the one that has been transmitted on the CAN bus do not match.

TROUBLESHOOTING HINTS

- Malfunction of KOS-ECU (KOS-ECU being registered to another vehicle)
- Malfunction of ECM (VIN registered in ECM unmatched)

DIAGNOSIS

Required Special Tools:

- MB991958 Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicles Communication Interface (V.C.I.)
- MB991827 M.U.T.-III USB Cable
- MB991910 M.U.T.-III Main Harness A

STEP 1. Check the VIN registered in the engine control module and the VIN of the vehicle.

Check if the VIN registered in the engine control module matches with the VIN of the vehicle.

(1)On the system selection screen of the scan tool, select "MFI/GDI/Diesel".

(2)Select "Coding."

(3)Select "VIN Information."

(4)Compare with the VIN of the vehicle.

Q. Does the VIN of the engine control module match with the VIN of the vehicle?

YES Go to Step 2.
NO Write the VIN to the engine control module [ How to Perform Vehicle Identification Number (VIN) Writing]. Record VIN and go to Step 2.
STEP 2. Recheck for diagnostic trouble code.

Check again if the DTC is set to the KOS-ECU.





(1)
CAUTION:
To prevent damage to scan tool (MB991958), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (MB991958).

Connect scan tool MB991958 to the data link connector.
(2)Turn the ignition switch to the "ON" position.
(3)Check if the DTC is set.

Q. Is the DTC set?

YES Replace KOS-ECU and register the ID codes (Refer to ID registration procedure manual - ID codes registration judgement table). After registering the ID codes, go to Step 3.

NO The procedure is complete.

STEP 3. Recheck for diagnostic trouble code.

Check again if the DTC is set to the KOS-ECU.

(1)Turn the ignition switch to the "ON" position.

(2)Check if the DTC is set.

Q. Is the DTC set?

YES Replace the engine control module and record the VIN [ How to Perform Vehicle Identification Number (VIN) Writing].
NO The procedure is complete.