Honda HR-V: DTC Troubleshooting B2840-13, B2841-13: SRS Unit Connector Not
Properly Installed
NOTE:
- Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required components were replaced with new components of the
correct part number,
and that they were properly installed.
- Before doing this troubleshooting procedure, review SRS Precautions and
Procedures, General
Troubleshooting Information, and 12 Volt Battery Terminal Disconnection and
Reconnection.

1. Problem verification:
- Clear the DTCs with the HDS.
- Turn the vehicle to the ON mode, then wait for 10 seconds.
- Check for DTCs with the HDS.

1. Problem verification:
- Clear the DTCs with the HDS.
- Turn the vehicle to the ON mode, then wait for 10 seconds.
- Check for DTCs with the HDS.
2. Connector connection check:
- Turn the vehicle to the OFF (LOCK) mode.
- Check the following connector connections.
SRS unit connector A (39P)
SRS unit connector B (39P)
Are the connectors OK?
YES
Go to step 4.
NO
Go to step 3.
3. System check:
- Repair the poor connector connections whichever was the cause of the
problem in step 2.
- Clear the DTCs with the HDS.
- Turn the vehicle to the ON mode, then wait for 10 seconds.
- Check for DTCs with the HDS.

Are DTC B2840-13 and B2841-13 indicated?
YES
Turn the vehicle to the OFF (LOCK) mode, then go to step 4.
NO
The system is OK at this time.
4. SRS unit check:
- Disconnect the negative cable from the 12 volt battery, then wait at
least 3 minutes.
- Disconnect the following connectors.
SRS unit connector A (39P)
SRS unit connector B (39P)
- Check for bent or damaged terminals on the SRS unit.
Are any terminals bent or damaged?
YES
Replace the SRS unit.
NO
Replace the dashboard wire harness or the floor wire harness, then clear the
DTC.
READ NEXT:
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required components were replaced with new components of the
correct pa
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required components were replaced with new components of the
correct pa
DTC ADVANCED DIAGNOSTICS: SRS RELATED DTCS
NOTE
Always check "How to troubleshoot the SRS system" and proceed along each
"DTC Troubleshooting"
procedure.
Make sure the 12 volt battery is fully c
SEE MORE:
NOTE : Before you troubleshoot, review the how to troubleshoot information -
Refer to: How to Troubleshoot
the Forward Collision Warning (FCW), or How to Troubleshoot the Lane Departure
Warning (LDW).
DTCs (FCW/LDW)
1. Problem verification.
Turn the vehicle to the ON mode.
Clear the DTC with t
Test
Back-Up Light Side
1. Air Cleaner - Remove
2. Back-Up Light Switch - Test
Disconnect the connector (A).
Check for continuity between back-up light switch 4P connector terminals
No. 2
and No. 4. There should be continuity only when the shift lever is in
reverse.
If the test result