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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Keyless Operation System (Kos) - With Diagnostics) >> Diagnosis < Kos-Ecu > >> Diagnostic Trouble Code Procedures >> DTC B1A10: Keyless/F.A.S.T. key 1 low battery; DTC B1A11: Keyless/F.A.S.T. key 2 low battery; DTC B1A12:/F.A.S.T. key 3 low battery; DTC B1A13: Keyless/F.A.S.T. key 4 low battery >> Notes

DTC B1A10: Keyless/F.A.S.T. key 1 low battery; DTC B1A11: Keyless/F.A.S.T. key 2 low battery; DTC B1A12:/F.A.S.T. key 3 low battery; DTC B1A13: Keyless/F.A.S.T. key 4 low battery: Notes

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.
CAUTION: When replacing the ECU, always check that the communication circuit is normal.