DTC B1A10 Keyless/Kos Key 1 Low Battery; DTC B1A11 Keyless/Kos Key 2 Low Battery; DTC B1A12 Keyless/Kos Key 3 Low Battery; DTC B1A13 Keyless/Kos Key 4 Low Battery; DTC B1A14 Keyless Key 5 Low Battery; DTC B1A15 Keyless Key 6 Low Battery; DTC B1A16 Keyless Key 7 Low Battery; DTC B1A17 Keyless Key 8 Low Battery: Notes
WARNING: This page is about a different car, the 2008 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When replacing the ECU, always check that the communication circuit is normal.