DTC : B1601

DTC B1601  : Keyless Access Control Unit internal (CPU) error

DTC (Keyless Access Control Unit)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Go to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .

1. Problem verification

   - 1. Clear the DTCs with the HDS.

   Clear DTCs

   - 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   B1601 Keyless Access Control Unit internal (CPU) error

   Is DTC B1601 indicated?

   YES 

   Replace the Keyless Access/TPMS Control Unit - Removal and Installation .

   NO 

   Intermittent failure, the system is OK at this time.