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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Theft Alarm - Lancer Evolution) >> Diagnosis >> Diagnostic Trouble Code Tests >> DTC B120C: Theft Alarm Siren Flat Battery >> Trouble Judgement

Trouble Judgement

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

The diagnostic trouble code No. B120C is set when the voltage of the rechargeable battery is low, or when the battery inside the theft alarm siren has an error.

NOTE: The rechargeable battery integrated in the theft alarm siren is charged by turning the ignition switch to the ON position.
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