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 the 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.