DTC B1601: Keyless Access Control Unit Internal (CPU) Error; DTC B1602: Keyless Access Control Unit Internal (EEPROM) Error
WARNING: This page is about a different car, the 2010 Acura TL and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
- Do the battery terminal disconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
- Wait for at least 10 seconds to clear the DTCs.
- Do the battery terminal reconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
- Push the door outer handle door lock button to lock the door.
- Touch the door outer handle touch sensor to unlock the door.
- Connect the HDS to the data link connector.
- Press the engine start/stop button to select the ON mode according to the instructions on the HDS screen.
- Check for DTCs with the HDS.
Are DTCs B1601 and/or B1602 indicated?
YES -Replace the keyless access control unit.
NO -Intermittent failure, the system is OK at this time.