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Home >> Mitsubishi >> 2014 >> Lancer SE >> 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 >> Diagnosis

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: Diagnosis

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.
  1. Replace the battery in the keyless operation key and recheck the diagnostic trouble code.
  2. Replace the keyless operation key and recheck the diagnostic trouble code.