Code No.B2206 Chassis No.mismatch

DIAGNOSIS FUNCTION

KOS-ECU sets diagnosis code No. B2206 when chassis number registered in it and chassis number that has been transmitted on the CAN bus do not match.

JUDGEMENT CRITERIA

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

PROBABLE CAUSES

Malfunction of KOS-ECU
Chassis number registered in engine ECU unmatched
KOS-ECU being registered to another vehicle

DIAGNOSIS PROCEDURE

STEP 1. Check the chassis number registered in the engine ECU and the vehicle’s chassis number.

Check if chassis number registered in the engine ECU matches with the vehicle’s chassis number.

Q. Do chassis number registered in the engine ECU and the vehicle’s chassis number match?

Go to Step 2.

Replace the engine-ECU and record the chassis number [Refer to GROUP 00 - How To Perform Chassis Number (Chassis No.) Writing

]. After registering the chassis number, go to Step 2.

STEP 2. Check whether the diagnosis code is reset.

] and recheck if the diagnosis code is set.

(1)Turn the ignition switch from the LOCK (OFF) position to the ON position.

(2)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

Replace KOS-ECU and register the ID codes (Refer to

The diagnosis is complete.