Honda HR-V Owners & Service Manuals

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

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Keyless Access Control Unit - Diagnostics / 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:

     Paddle Shifter + (Upshift Switch) Circuit Troubleshooting (CVT)

    SRS components are located in this area. Review the SRS component locations - Refer to: SRS Component Location Index (KA/KC), or SRS Component Location Index (KA/KC) and the precautions and procedures before doing repair or service. 1. Problem verification: Connect the HDS to the DLC - Refer to:

     Seat Heater Replacement

    Replacement NOTE : SRS components are located in this area. Review the SRS component locations - Refer to: SRS Component Location Index (KA/KC), or SRS Component Location Index (KA/KC) and the precautions and procedures before doing repairs or service. Front Seat Cushion Heater 1. Front Seat Cushi

    © 2019-2025 Copyright www.hohrv2.com