Honda HR-V: Keyless Access Backup Control Unit - Diagnostics
Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Keyless Access Backup Control Unit - Diagnostics
- DTC B1926 Backup Control Anten Open or Short
- DTC B1931 Backup Control Unit No Response
- DTC U1280 (Keyless Access Backup Control Unit) B-CAN Communication Bus Line Error (BUS-OFF)
- DTC U128D (Keyless Access Backup Control Unit) Backup Control Unit Lost Communication With Gauge Control Module
READ NEXT:
DTC B1926 Backup Control Anten Open or Short
DTC (Backup 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-CA
DTC B1931 Backup Control Unit No Response
DTC (Backup 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
DTC U1280 (Keyless Access Backup Control Unit) B-CAN Communication
Bus Line Error (BUS-OFF)
DTC (Backup 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-CA
SEE MORE:
Rear Inner Fender Removal and Installation
Removal & Installation
1. Rear Strake - Remove
2. Rear Splash Guard - Remove (For Some Models) - Refer to: Rear Splash Guard
Removal and
Installation, or Front Splash Guard Removal and Installation
3. Rear Inner Fender - Remove
4. All Removed Parts - Install
Install the parts in the reverse
Idle Speed Inspection
Inspection
NOTE:
Before checking the idle speed, check these items:
The malfunction indicator lamp (MIL) has not been reported on, and
there are no DTCs.
Spark plugs
Air cleaner
PCV system
Apply the parking brake.
1. EVAP Canister Purge Valve Connector - Disconnect
2. HDS - Connec
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