DTC B2402: STL unit comm. (system ID); DTC B2403: STL unit comm. (CRC); DTC B2404: STL unit comm. (function code); DTC B2405: STL unit comm. (rolling code); DTC B2406: STL unit comm. (PTC operate); DTC B2407: STL unit comm. (EEPROM); DTC B2408: STL unit comm. (solenoid): Notes

CAUTION:

• If DTC B2402, B2403, B2404, B2405, B2406, B2407, or B2408 is set, diagnose the CAN bus lines.
• Whenever the steering lock unit is replaced, ensure that the communication circuit is normal.

Fig 1: Key Reminder Switch And KOS-ECU Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.