Engine Controls - MIL ON/DTC's P0171/P0174 Stored

09-030

July 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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