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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 B2401: Keyless/F.A.S.T. key ID not REG >> Diagnosis

DTC B2401: Keyless/F.A.S.T. key ID not REG: 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. Register the keyless operation key ID and recheck the diagnostic trouble code.
  2. Replace the keyless operation key and recheck the diagnostic trouble code.
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