Honda HR-V: DTC B0029-1A
Special Tools Required
SRS Short Canceller 070AZ-SAA0100
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.
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software, and retest.
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DTC (SRS)
1. Problem verification:
- Clear the DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the ON mode, then wait for 10 seconds.
- Check for DTCs with the HDS.
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Is DTC B0029-1A indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.
2. Right side curtain airbag inflator check:
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.
- Remove the headliner.
- Disconnect the following connector.
Right side curtain airbag inflator 2P connector (on the floor wire harness)
- Reconnect the negative cable to the 12 volt battery.
- Clear the DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the ON mode, then wait for 10 seconds.
- Check for DTCs with the HDS.
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Is DTC B0029-1A indicated?
YES
Go to step 3.
NO
Faulty right side curtain airbag inflator; replace the right side curtain airbag, then clear the DTC.
3. Shorted wire check (RCA+ line to RCA- line):
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.
- Disconnect the following connector.
SRS unit connector B (39P)
- Connect the SRS short canceller to SRS unit connector B (39P) terminals No. 12 and No. 13.
- Measure the resistance between test points 1 and 2.
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Is there an open circuit?
YES
The RCA+ and RCA- wires are OK. Replace the SRS unit.
NO
Short to another wire in the floor wire harness; replace the floor wire harness, then clear the DTC.
READ NEXT:
DTC B0050-11
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 p
DTC B0050-13
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 p
DTC B0052-11
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
SEE MORE:
Under-Dash Subrelay Box Removal, Installation, and Test
Removal & Installation
1. Keyless Access Control Unit - Remove
2. Under-Dash Subrelay Box - Remove
Remove the under-dash subrelay box (A).
3. All Removed Parts - Install
Install the parts in the reverse order of removal.
Test
1. Under-Dash Subrelay Box - Test
The under-dash subrelay box
DTC U0029-00 (EPS Control Unit)
NOTE:
Troubleshoot any PGM-FI system DTCs first - Refer to: How to
Troubleshoot the Fuel and Emissions
Systems, or How to Troubleshoot the CVT System (CVT).
Before you troubleshoot, review the general troubleshooting information.
This DTC is stored by communication failure between the F-CAN l
