DTC B1601: Keyless Access ECU CPU Error

DTC (Keyless Access Control Unit)

1. Problem verification

   - 1. Clear the DTCs with the HDS.

   - 2. Press the engine start/stop button to select the OFF mode and then the ON mode.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   B1601 KEYLESS ACCESS ECU CPU ERROR

   Is DTC B1601 indicated?

   YES 

   Replace the keyless access control unit .

   NO 

   Intermittent failure, the system is OK at this time.