Honda HR-V Owners & Service Manuals

Honda HR-V: DTC B1601 Keyless Access Control Unit Internal (CPU) Error

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Keyless Access Control Unit - Diagnostics / DTC B1601 Keyless Access Control Unit Internal (CPU) Error

Keyless Access Control Unit - Diagnostics

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 - Refer 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

  1. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
  2. Check for DTCs with the HDS.

Keyless Access Control Unit - Diagnostics

Is DTC B1601 indicated?

YES

Replace the keyless access control unit.

NO

Intermittent failure, the system is OK at this time.

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