Honda HR-V Owners & Service Manuals

Honda HR-V: DTC B1640 RF1 Antenna Not Connected Or Malfunction

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. Push the door outer handle door lock button to lock the door.
  2. Touch the door outer handle touch sensor to unlock the door.
  3. Check for DTCs with the HDS.

Keyless Access Control Unit - Diagnostics

Is DTC B1640 indicated?

YES

Replace the keyless access control unit.

NO

Intermittent failure, the system is OK at this time. Check for loose or poor connections.

    READ NEXT:

     DTC B1645, B1647, B1659, B1663 Antenna Circuit Short

    NOTE: Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below. DTC (Keyless Access Control Unit) NOTE: If you are troub

     DTC B1646, B1648, B1660, B1664 Antenna Circuit Open

    NOTE: Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below. DTC (Keyless Access Control Unit) NOTE: If you are troub

     DTC U1280 (Keyless Access Control Unit) Keyless Access Control Unit Communication Bus Line Error (BUS-OFF)

    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

    SEE MORE:

     Moonroof Drain Channel Removal and Installation

    Removal & Installation 1. Moonroof Glass - Remove 2. Drain Channel - Remove Remove the screws securing the drain channel (A). Release the drain channel (A) from both hooks (B) of the drain channel slider (C). Remove the drain channel (A). 3. All Removed Parts - Install Install the

     No Sound Is Heard From The Speaker(s) (Display Is Normal) (Without Navigation, Display Audio Type (7-inch Screen) )

    NOTE: Check the vehicle 12 volt battery condition first. Set the fader and the balance positions to the center. Before doing this troubleshooting, go to Audio unit power switch will not turn on (No information display and no sound) (Without Navigation, Display Audio Type (7- inch Screen) ).

    © 2019-2025 Copyright www.hohrv2.com