Home >> Mitsubishi >> 2021 >> RVR LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Keyless Operation System (Kos) >> Diagnosis <OSS-Ecu> >> Diagnostic Trouble Code Procedures >> DTC B1157: OSS EEPROM fail; DTC B1158 OSS ECU internal fail >> DTC Set Condition >> Judgment Criterion