Engine Controls/Ignition - MIL ON/DTC's P0300-P0304
10-063May 18, 2012
Applies To:
2009-10 Pilot - ALL
2011 Pilot 2WD - From VIN 5FNYF3H..BB000001 thru 5FNYF3H..BB045679
2011 Pilot 4WD - From VIN 5FNYF4H..BB000001 thru 5FNYF4H..BB080529
2009-11 Pilot: MIL Comes On With DTC P0300 Thru P0304
(Supersedes 10-063, dated May 18, 2012, to revise the information marked by 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
Replace any fouled spark plugs, and update the PCM.
PARTS INFORMATION
Spark Plug:
P/N 12290-R70-A01
SOFTWARE INFORMATION
HDS Software Version:
2.024.011 or later.
HDS Control Module (CM) Update:
Database Update 28-DEC-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 12290-R70-A01
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.
Disclaimer