DTC B1222/22: Driver Door Power Door Lock Switch Circuit Malfunction: DTC Detecting Condition
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1222/22 is used to notify technician how switch works. If DTC B1222/22 is not set when door lock switch on driver door is operated, power door lock switch or door key lock switch contacts are faulty. If DTC B1222/22 is set when door lock switch on driver door is not operated, driver door power door lock switch or door key lock switch is stuck.