Campaign - ECM Update for MIL ON/DTC P0420: Overview
07-038November 7, 2007
Applies To:
2000-01 Insight - ALL With M/T
Product Update: MIL Comes On With DTC P0420
(Supersedes 07-038, MIL Comes On With DTC P0420, dated June 16, 2007, to update the information marked by the black bars and asterisks)
*BACKGROUND
The PGM-FI software can misinterpret sensor inputs as a deteriorated three-way catalytic converter. If this happens, the MIL comes on with DTC P0420 CFWC catalyst system efficiency below threshold).
CUSTOMER NOTIFICATION
Before this service bulletin became a product update (from June 16 thru November 6, 2007), some vehicles were repaired with ECM P/N 37820-PHM-355 or P/N 37820-PHM-326. Owners of these vehicles will receive a notification that their vehicles are already repaired and no further action is needed. All owners of vehicles still needing repair will be sent a notification of this product update. Both customer notifications will include reimbursement information for previously replaced catalytic converters. An example of each customer notification is at the end of this service bulletin.
To verify vehicle eligibility, you must check for at least one of these items:
^ The customer has a notification letter.
^ The vehicle is shown as eligible on a VIN status inquiry.
In addition, check for a punch mark below the first character of the engine compartment VIN. A punch mark in that location means this product update has already been completed.*
CORRECTIVE ACTION
Replace the ECM.
PARTS INFORMATION
*Engine Control Module (2000 Insight):
P/N 37820-PHM-505, H/C 8813602
Engine Control Module (2001 Insight):
P/N 37820-PHM-506, H/C 8813610*
WARRANTY CLAIM INFORMATION
REPAIR PROCEDURE
NOTE:
For instructions on downloading/uploading the immobilizer transponder codes, refer to page 9 of Service Bulletin 00-049, Immobilizer System (Type 2).
1. Download the immobilizer transponder codes from the ECM to the HDS.
2. Replace the ECM:
* ^ Refer to page 11-7 of the 2000-2006 Insight Service Manual,* or
^ Online, enter keyword ECM REP, and select ECM Replacement from the list.
3. Upload the immobilizer transponder codes from the HDS to the new ECM.
4. Center-punch a completion mark below the first character of the engine compartment VIN:
5. For California Residents Only: Fill out a Vehicle Emissions Recall - Proof of Correction certificate, and use Q50 as the recall number. Give the certificate to your customer, and advise him or her to keep it as proof that the product update was completed. Your customer will need to submit the certificate to the DMV only if the DMV requests it. If you need more certificates, use reorder number Y0657.
Disclaimer