DTC B12A1: Power Control Unit Internal (CPU) 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 disconnect 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 ).
- Press and hold the engine start/stop button.
- Wait for at least 10 seconds.
- Check for DTCs with the HDS.
Is DTC B12A1 indicated?
YES -Replace the power control unit (see POWER CONTROL UNIT ).
NO -Intermittent failure, the system is OK at this time.