DTC B1640
WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1640 : RF1 Antenna Not Connected or Malfunction
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
| DTC Description | DTC |
|---|---|
| B1640 RF1 antenna not connected or malfunction |
DTC (Keyless Access Control Unit)
- Problem verification
-1. Clear the DTCs with the HDS.
-2. Touch the door outer handle lock sensor to lock the door.
-3. Touch the door outer handle touch sensor (unlock) to unlock the door.
-4. Check for DTCs with the HDS.
DTC Description DTC B1640 RF1 antenna not connected or malfunction Is DTC B1640 indicated?
YES
Replace the body control module .
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.