Engine Controls - MIL ON/DTC's P0300 Through P0304 Set

10-033

April 18, 2012

Applies To:
2008-10 Accord V6 with AT - ALL
*2011 Accord 2-Door V6 - From VIN 1HGC.....BA000001 thru 1HGC.....BA005807
2011 Accord 4-Door V6 - From VIN 1HGC.....BA000001 thru 1HGC.....BA016920
2010 Accord Crosstour - ALL
2011 Accord Crosstour 2WD - From VIN 5J6TF1H5.BL000001 thru 5J6TF1H5.BL001637
2011 Accord Crosstour 4WD - From VIN 5J6TF2H5.BL000001 thru 5J6TF2H5.BL003256*

MIL Comes On With DTC P0300 Thru P0304
(Supersedes 10-033, dated April 18, 2012, to revise the information marked by the asterisks)

REVISION SUMMARY

*In Applies To, the ending VIN ranges were changed.*

SYMPTOM

One or more spark plugs may be fouled, and the MIL comes on with at least one of these DTCs: P0300 (random cylinder misfire detected), P0301, P0302, P0303, or P0304 (No. 1 thru No. 4 cylinder misfire detected).

CORRECTIVE ACTION

Update the PCM, and replace any fouled spark plugs.

PARTS INFORMATION

Spark Plug:
P/N 12290-R70-A01 (except PZEV)
P/N 12290-R71-L01 (PZEV)

SOFTWARE INFORMATION

HDS Software Version:
2.024.009 or later.

HDS Control Module (CM) Update:
Database Update 29-NOV-2010 or later.

NOTE:
To avoid an incorrect repair that would not be covered under warranty, use the software version listed above or a later version.





The updated PGM-FI software program IDs and P/Ns are listed below. If the HDS or MVCI is loaded with the latest software, and it displays No Update Needed during the update, the software for this service bulletin is already installed.

WARRANTY CLAIM INFORMATION





The normal warranty applies.

*Failed Part: P/N 37820-R70-A74*

Defect Code: 03214

Symptom Code: 03203

Skill Level: Repair Technician

DIAGNOSIS





Inspect the Freeze Data or On Board Snapshot data using the HDS for DTCs P0300, P0301, P0302, P0303, or P0304, and inspect the spark plugs in cylinders 1 thru 4 for carbon buildup.

Is at least one of the listed DTCs present, and is at least one spark plug fouled?

Yes - Go to REPAIR PROCEDURE.

No - This service bulletin does not apply. Continue with normal troubleshooting.

REPAIR PROCEDURE

1. Replace any fouled spark plugs. Torque the plugs to 22 N.m (16 lb-ft).

2. Update the PGM-FI software. Refer to Service Bulletin 01-023, Updating Control Units/Modules.





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