TSX L4-2.4L (2005)
Oxygen Sensor: Customer Interest
Engine Controls - MIL ON/DTC's P1172 or P2A00 Set
08-012
March 21, 2008
Applies To:
2004-06 TSX - ALL
2004-06 TSX: MIL Is On With DTC P1172 or P2A00
SYMPTOM
The MIL is on with DIG P1172 (air fuel sensor [sensor 1] circuit out of range, high), DIG P2A00 (air fuel sensor [sensor 1] circuit range/performance
problem), or both.
PROBABLE CAUSE
The air/fuel sensor is damaged by moisture in the exhaust system during engine warm-up.
CORRECTIVE ACTION
Update the PGM-FI software with the HDS, and replace the air/fuel sensor.
NOTE:
The PGM-FI software has been changed to delay the operation of the A/F sensor heater when there is a high probability of moisture in the exhaust
system.
PARTS INFORMATION
Air/Fuel Sensor: P/N 36531-RBB-003
SOFTWARE INFORMATION
HDS Software Version: 2.013.011 Feb 2008 (gray)
or later.
Control Module (CM) Update:
Application Version V6.11.04 or later.
Database Update 06-FEB-2008 or later.
NOTE:
If you use an earlier HDS software version, the HDS may incorrectly indicate that the vehicle does not need an update.
The updated PGM-FI software program IDs and P/Ns are shown below. If this, or a later program ID, is the Current Program ID displayed during the
update, the software for this service bulletin is already installed.
WARRANTY CLAIM INFORMATION
