B1a10 | Mitsubishi

Use an OBDII scanner to erase the code from the vehicle's memory.

The diagnostic trouble code (DTC) in Mitsubishi vehicles specifically points to a low battery condition in Keyless Operation Key 1 . This code is generated by the Keyless Operation System (KOS) or the Wireless Control Module (WCM) when the vehicle detects a weak signal from the primary key fob. What Does DTC B1A10 Mean? mitsubishi b1a10

The internal coin-cell battery (usually a CR2032) has dropped to 2.3V or lower. Use an OBDII scanner to erase the code

Internal damage to the key fob's circuitry. What Does DTC B1A10 Mean

Turn the ignition ON, then lock and unlock the doors using the fob. If the code returns immediately despite a new battery, the fob itself may be faulty.

In Mitsubishi's electronic management system, every registered key fob is assigned a number. Code B1A10 corresponds to the registered with the KOS-ECU.