Electrical - Horns Sounds When Driving/Turning
11-021July 19, 2011
Applies To:
2009 Civic - ALL VINS starting with 2HG
*2010 Civic 4-door - From VIN 2HGFA1...AH300001 thru 2HGFA1...AH328632
- From VIN 2HGFA1...AH500001 thru 2HGFA1...AH570672
2010 Civic 2-door - From VIN 2HGFG1...AH500001 thru 2HGFG1...AH531297*
Horn Sounds While Driving or Turning the Steering Wheel
(Supersedes 11-021, dated April 6, 2011, to revise the information marked by asterisks)
*REVISION SUMMARY
In Applies To, the VIN ranges were changed.*
SYMPTOM
The horn intermittently sounds when driving or while turning the steering wheel.
PROBABLE CAUSE
There is metal contamination, often a sliver of metal, inside the spring bolt horn plate, intermittently conducts electricity and sounds the horn.
CORRECTIVE ACTION
Remove any metal contamination and, if needed, replace the driver's airbag.
PARTS INFORMATION
Driver's Airbag: P/N 77810-SNA-A82ZA
Airbag Bolt: P/N 90134-S6A-A80
(If you reuse the original airbag, each vehicle requires two bolts.
If you replace the airbag, the new airbag comes with new bolts.)
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Failed Part: P/N 77810-SNA-A82ZA
Defect Code: 03214
Symptom Code: 06401
Skill Level: Repair Technician
REPAIR PROCEDURE
1. Disconnect the battery, then wait at least 3 minutes before starting work.
2. Remove the steering wheel access panel.
3. Remove the driver's airbag:
^ Disconnect the cable reel 4P connector from the driver's airbag 4P connector.
^ Remove the two TORX bolts using a TORX T30 bit.
^ Disconnect the horn switch IP connector, then remove the driver's airbag.
4. Inspect the driver's airbag for any signs of metal contamination; pay close attention to the horn plate. Carefully remove any metal contamination.
5. Blow air on the bottom of the airbag and on the steering wheel where the airbag mounts to remove any potentially unseen contaminants.
6. Reinstall the airbag:
Connect the horn switch IP connector to the driver's airbag. Make sure the connector is properly seated in its holder.
^ Place the driver's airbag in the steering wheel, and secure it with the original TORX bolts.
^ Connect the cable reel 4P connector to the driver's airbag 4P connector, then reinstall the access panel on the steering wheel. Make sure the connector is properly seated in its holders.
^ Reconnect the battery.
^ Clear any DTCs.
7. Retest the horn.
Does the horn sound intermittently when you turn the steering wheel?
Yes - Replace the driver's airbag.
No - The vehicle is OK. Remove the original TORX bolts, and replace them with new ones.
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