BTS180603

Service Bulletin Details

Public Details for: BTS180603

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


- 2008 - 2007 -

Models from 2008
2008 ACURA TSX
Models from 2007
2007 ACURA TSX 
Tech Line Summary Article
June 2018
BTS180603 Version 1
MIL On with DTC P2271?
AFFECTED VEHICLES
Year
Model
Trim
2007-08
TSX
All
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.
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2018 American Honda Motor Co., Inc. — All Rights Reserved
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