: In rare scenarios, the receiving antenna or the Electronic Total Automobile Control System (ETACS-ECU) suffers a software glitch or internal circuit failure, misinterpreting a healthy signal as weak. 42B-B1A10 Keyless/KOS key 1 low battery - Mitsubishi
Cycle the remote lock and unlock buttons on the transmitter three to five times consecutively. This forces the WCM or KOS module to sample a brand-new signal payload from the fob, overriding the old data. Step 3: Clear the Hard Code via OBD-II mitsubishi b1a10
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The "KOS" in the definition stands for the , the technology that allows you to lock, unlock, and start your vehicle without ever taking the key out of your pocket or bag. When this system detects a problem, it logs a code to help technicians identify the issue. The "key 1" portion of the code simply identifies which of the potentially multiple registered key fobs is reporting the issue. In this case, "key 1" refers to the first key fob that was registered with your vehicle's system. : In rare scenarios, the receiving antenna or
The matters for three reasons.
: Use a diagnostic scan tool to erase the code and then cycle the ignition to "ON" to see if it returns. Step 3: Clear the Hard Code via OBD-II This is an
Pop open the key fob casing using a small flathead screwdriver or the built-in mechanical emergency key. Remove the old battery (typically a coin cell).