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DTC B2206: VIN error/Mismatch
 
 
caution
  • If DTC No. B2206 is stored in the ETACS-ECU, diagnose the CAN main bus line.
  • Whenever the ECU is replaced, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
 
 
JUDGMENT CRITERIA
If the VIN registered to ETACS-ECU and the VIN on CAN bus lines do not match, the ETACS-ECU stores DTC No. B2206.
 
 
TROUBLESHOOTING HINTS
  • The CAN bus line may be defective.
  • The engine control module may be defective.
  • The ETACS-ECU, which was used on another vehicle, is installed on this vehicle.
  • The ETACS-ECU improperly coding or incorrect VIN.
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-III), diagnose the CAN bus line.
(1)
cautionTo prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
Connect scan tool (M.U.T.-III). Refer to "How to connect the Scan Tool (M.U.T.-III) ."
(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.
Is the CAN bus line found to be normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting ). On completion, go to Step 3.
 
STEP 2. Using scan tool (M.U.T.-III), read the engine control module diagnostic trouble code.
Check if a VIN-related DTC is stored in the engine control module.
Is the DTC stored?
Troubleshoot the MFI (Refer to GROUP 13A - Troubleshooting ).
Go to Step 3.
 
STEP 3. Recheck for diagnostic trouble code.
Replace the ETACS-ECU with a properly coded one. Then check if a DTC is stored again.
(1) Replace the ETACS-ECU with a properly coded one.
(2) Erase the DTC.
(3) Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(4) Check if DTC is stored.
Is the DTC stored?
Return to Step 1.
The diagnosis is complete.