Engine Controls - MIL ON/DTC's P0171/P0174 Stored
09-030July 19, 2011
Applies To:
2009 Pilot - ALL
2009 Pilot: MIL Comes On With DTC P0171 and/or P0174
(Supersedes 09-030, dated May 12, 2009, to revise the information marked by asterisks)
REVISION SUMMARY
* Under WARRANTY CLAIM INFORMATION, the flat rate time was changed because the MVCI updates control modules more efficiently.*
SYMPTOM
The MIL comes on with DTC P0171 (rear bank [bank 1] fuel system too lean) and/or P0174 (front bank [bank 2] fuel system too lean).
PROBABLE CAUSE
The PCM misinterprets sensor inputs as a lean fuel condition in cylinder bank 1 and/or bank 2.
CORRECTIVE ACTION
Update the PGM-FI software with the HDS.
SOFTWARE INFORMATION
HDS Software Version:
2.018.007 (May 2009) (black) or later.
Control Module (CM) Update:
Database Update 20-APR-2009 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 ID and P/N is shown. If this, or a later program ID, is the current Program ID displayed during the update, the software for this service bulletin is already installed.
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation Number: 125517
*Flat Rate Time: 0.2 hour*
Failed Part: P/N 37820-RN0-A54
H/C 8984858
Defect Code: 03214
Symptom Code: 03203
Skill Level: Repair Technician
REPAIR PROCEDURE
Update the PGM-FI software with the HDS. Refer to Service Bulletin 01-023, Updating Control Units/Modules.
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