Engine Controls - MIL ON/DTC's P0301-P0306

09-040

February 2, 2010

Applies To:
2009 Pilot ALL

MIL Comes On With DTC P0300 and One or More of DTCs P0301 Thru P0306 (Supersedes 09040, dated June 12, 2009, to revise the information marked by asterisks)

*REVISION SUMMARY

Under DIAGNOSIS, the engine coolant temperature range was changed.*

SYMPTOM

The MIL is on with DTC P0300 (random cylinder misfire detected) and at least one of DTCs P0301 thru P0306 (No 1 thru No 6 cylinder misfire detected)

PROBABLE CAUSE

The PGM-FI software incorrectly interprets sensor inputs, causing the DTCs to set.

CORRECTIVE ACTION

Update the PGM-FI software with the HDS

SOFTWARE INFORMATION

HDS Software Version 2018007 or later
Control Module (CM) Update:
Database Update 20 APR 09 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 shown below. If the HDS 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.

Operation Number: 125517

Flat Rate Time 0 3 hour

Failed Part P/N 37820-RN0-A54

Defect Code: 03214

Symptom Code: 03203

Skill Level Repair Technician

DIAGNOSIS

Use the HDS to review the freeze data or the on-board snapshot data of the stored DTC(s).

*Is the engine coolant temperature between 14 degrees F and 140 degrees F (10 degrees C and 60 degrees C)?*

YES - Go to REPAIR PROCEDURE NO - This service bulletin does not apply Continue with normal troubleshooting.

REPAIR PROCEDURE

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





Disclaimer