Diagnostic Function

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

When an EEPROM writing/reading error of OSS-ECU is detected, OSS-ECU stores DTC B1157, and flashes the indicator of engine switch in orange.
When an error is detected to the microcomputer in OSS-ECU, OSS-ECU stores DTC B1158, and flashes the indicator of engine switch in orange.