Keyless Operation System (KOS)
DTC B2206: VIN code mismatchDTC 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
- VIN registered in engine control module unmatched
- KOS-ECU being registered to another vehicle
- Malfunction of ETACS-ECU
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. Using scan tool MB991958, diagnose the CAN bus line.
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).
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Diagnose the CAN bus line.
4. Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the CAN bus line found to be normal?
YES : Go to Step 2.
NO : Repair the CAN bus line (Refer to Controller area network Diagnosis). Then go to Step 2.
STEP 2. 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 KOS-ECU and register the ID codes. 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 [Refer to general (Body and Chassis) - How To Perform Vehicle Identification Number (VIN) Writing].
NO : The procedure is complete.