DTC Troubleshooting: B1601
DTC B1601: Keyless Access Control Unit (Body Control Module) Internal (CPU) Error
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

DTC Description
DTC
B1601 Keyless Access Control Unit (Body Control Module) Internal (CPU) Error
  

1.
Problem verification:

Problem verification
?1.
Clear the DTCs with the HDS.


?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 (Body Control Module) Internal (CPU) Error
  

Is DTC B1601 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?