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DTC B2418: OSS authenticate timeout
 
 
caution
  • If diagnostic trouble code No. B2418 is set, diagnose the CAN bus lines.
  • When replacing the ECU, always check that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
KOS-ECU checks whether the OSS-ECU data is received via CAN bus line, and it stores DTC B2418 if the data cannot be received.
 
 
TECHNICAL DESCRIPTION (COMMENT)
If the reception of data from OSS-ECU received via CAN bus line (OSS-ECU sends data to KOS-ECU via CAN bus line) is not possible, KOS-ECU determines that a problem has occurred.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of CAN bus line
  • Malfunction of OSS-ECU
  • Malfunction of KOS-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