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Service bulletin ATS 180604

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 id10142447
Published by NHTSA2018-07-02
Manufacturer's numberATS 180604
Manufacturer's date2018-06-14
NHTSA componentPOWER TRAIN; EQUIPMENT

NHTSA's summary

Tech line summary article - Is the MIL on with DTC P2271 (secondary HO2S [sensor 2] circuit signal stuck rich)? What's likely causing this is the PCM is misinterpreting the A/F sensor (sensor 1) signals, causing the PCM to think that sensor 2 is stuck rich. To fix this issue, replace both sensors.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Transmission and driveline

Trouble codes named

P2271

Vehicles listed
HONDA ACCORD2006, 2007
HONDA CR-V2005, 2006
HONDA ELEMENT2007, 2008
HONDA S20002006, 2007, 2008

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

Recalls for the same vehicles and component
20112862011-08-05. Powertrain
11V3950002011-08-04. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
10V2710002010-06-15. EQUIPMENT ADAPTIVE/MOBILITY
06V2700002006-07-26. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
A21120A2023-06-21. Service bulletin. Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver Capacity resulting in rollover of the internal chip memory; the rollover occurred on January 1, 2022, at 12:00AM local time.
A21120A2022-02-04. Service bulletin. ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a result, once specific triggers are met, the navigation date and time will be incorrect.
DLR-02-22-20162021-05-10. Service bulletin. The frequency for the 'Inflator Kit Application & Availability' report will be changing from daily to weekly effectiveon Monday, November 30th. The report frequency is changing because we have had no inflator backorders since the beginning of September and there are currently no inflator kit supply concerns
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ABOM080920189012018-09-04. Service bulletin. Dealer message - Today, American Honda is notifying dealers of a voluntary noncompliance recall for a small number of Honda vehicles due to an error on the replacement (service part) underhood emissions labels. American Honda previously notified CARB and the EPA for this action.
Customer Letter2018-08-06. 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 Letter2018-08-06. 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.
A18-0652018-06-11. Service bulletin. Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects to the replacement front passengers airbag inflator only.
A18-0472018-06-11. Service bulletin. Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects to the replacement driver's airbag inflator only.