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DTC B2204: Coding data mismatch
 
 
caution
  • When DTC B2204 is set, be sure to diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
If the vehicle information data transmitted from the ETACS-ECU via the CAN bus lines is different from that registered in the KOS-ECU, the KOS-ECU stores DTC B2204.
 
 
TECHNICAL DESCRIPTION (COMMENT)
KOS-ECU determines that the abnormality is present when the vehicle information registered in it does not match the vehicle information on the CAN bus lines.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of CAN bus line
  • Malfunction of KOS-ECU
  • Malfunction of ETACS-ECU
 
 
DIAGNOSIS
1. Using scan tool (M.U.T.-III), diagnose the CAN bus line.
2. Using scan tool (M.U.T.-III), read the other system diagnostic trouble code.
3. Recheck for diagnostic trouble code