DTC B1601: Keyless Access Control Unit Internal (CPU) Error
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 Honda Fit, 2019 Honda Fit, 2018 Honda Fit, 2017 Honda Fit, and 2016 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
| DTC Description | DTC |
|---|---|
| B1601 Keyless access control unit internal (CPU) error |
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 .
- Problem verification:
- 1. Turn the vehicle to the ON mode.
- 2. Clear the DTCs with the HDS.
- 3. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- 4. Check for DTCs with the HDS.
DTC Description DTC B1601 Keyless access control unit internal (CPU) error Is DTC B1601 indicated?
YES
Replace the keyless access control unit .
NO
Intermittent failure, the system is OK at this time.