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Service bulletin 1105

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10018262
Published by NHTSA2005-12-20
Manufacturer's number1105
Manufacturer's date2005-11-16
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

ENGINE OIL LEAK(S). DEALER VISIT REQUEST. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
HONDA ACCORD2006
HONDA PILOT2006
HONDA RIDGELINE2006

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
DOR-M9J4S-072020-07-27. Service bulletin. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
DOR-M3J3F-072020-07-27. Service bulletin. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
DOR-D8K8Q-022019-03-04. Service bulletin. This SKU is a Variable Valve Timing (VVT) Solenoid. The Customer communication requested return of unsold inventory to inspect for possible incorrect wiring. Incorrect VVT solenoid wiring may cause an inability of the variable valve timing system to activate. Inability to activate the variable valve timing system may cause reduced engine performance. Incorrect VVT solenoid wiring may also cause the Malfunction Indicator Light (MIL) to illuminate.
A180702018-09-04. Service bulletin. Service bulletin - Emission certification labels that were replaced on a small number of vehicles may have been replaced with a label listing incorrect information. The affected emission labels are replacement service parts, and were not installed at the factory; they were installed during postmanufacturing repairs that required replacement of the underlying part. This will cause the vehicle to be non-compliant with emissions regulations.
Customer Letter2018-07-30. Service bulletin. Customer letter - In some cases, the electronic control module (ECM) misinterprets sensor inputs as a warm-up three-way catalytic converter (TWC) deterioration and turns the malfunction indicator lamp (MIL) on with diagnostic trouble code (DTC) P0420 or DTC P0430 (catalyst system efficiency below threshold) stored.
Customer Letter2018-07-30. Service bulletin. Customer letter - In some cases, the electronic control module (ECM) misinterprets sensor inputs as a warm-up three-way catalytic converter (TWC) deterioration and turns the malfunction indicator lamp (MIL) on with diagnostic trouble code (DTC) P0420 or DTC P0430 (catalyst system efficiency below threshold) stored.
AHPa062120189012018-07-16. Service bulletin. Dealer message - Today, June 21, 2018, American Honda is announcing a Warranty Extension for 2006-07 Accord Hybrid vehicles to address the MIL illuminating with DTC P0420 or P0430. Basic Problem - The ECM may misinterpret sensor inputs as deterioration of the warm-up catalytic converter, causing the MIL to illuminate with DTC P0420 (rear bank catalyst system efficiency below threshold [bank 1]) or P0430 (front bank catalyst system efficiency below threshold [bank 2]).
A18-0232018-07-16. Service bulletin. Service bulletin - In some cases, the ECM misinterprets sensor inputs as a warm-up three-way catalytic converter (TWC) deterioration and turns the MIL on with DTC P0420 or DTC P0430 (catalyst system efficiency below threshold) stored. There are two bulletins to address the TWC deterioration with DTC P0420 or P0430: ? 18-022, Warranty Extension: MIL Is On with DTC P0420 or P0430 (All states Except CA, CT, ME, MA, NY, and VT), for vehicles currently registered in all states except CA, CT, ME, MA, NY, and VT. The warranty on these vehicles is extended 6 months from the launch of this campaign (expires December 31, 2018) or 200,000 miles, whichever comes first. ? 18-023, Warranty Extension: MIL Is On with DTC P0420 or P0430 (CA, CT, ME, MA, NY, and VT Only), for vehicles currently registered in CA, CT, ME, MA, NY, and VT. The warranty coverage is 17 years from the original date of purchase with unlimited mileage for the first year of this warranty extension based on the launch date of this extension. After one year, the coverage changes to 17 years from the original date of purchase or 200,000 miles, whichever comes first.
A18-0222018-07-16. Service bulletin. Service bulletin - In some cases, the ECM misinterprets sensor inputs as a warm-up three-way catalytic converter (TWC) deterioration and turns the MIL on with DTC P0420 or DTC P0430 (catalyst system efficiency below threshold) stored. There are two bulletins to address the TWC deterioration with DTC P0420 or P0430: ? 18-022, Warranty Extension: MIL Is On with DTC P0420 or P0430 (All states Except CA, CT, ME, MA, NY, and VT), for vehicles currently registered in all states except CA, CT, ME, MA, NY, and VT. The warranty on these vehicles is extended 6 months from the launch of this campaign (expires December 31, 2018) or 200,000 miles, whichever comes first. ? 18-023, Warranty Extension: MIL Is On with DTC P0420 or P0430 (CA, CT, ME, MA, NY, and VT Only), for vehicles currently registered in CA, CT, ME, MA, NY, and VT. The warranty coverage is 17 years from the original date of purchase with unlimited mileage for the first year of this warranty extension based on the launch date of this extension. After one year, the coverage changes to 17 years from the original date of purchase or 200,000 miles, whichever comes first.
ATS1804022018-05-07. Service bulletin. Tech line summary article - When adding keys or running the System Check with the Immobilizer Setup Tool in the i-HDS, are you seeing this message? "Immobilizer system is not normal". We?re aware of this issue and have it under investigation.