Civic L4-1.8L (2006)
Engine Control Module: All Technical Service Bulletins
Engine Controls - MIL ON/DTC P0128 Is Set
09-092
February 17, 2010
*Applies To:
2006-09 Civic - ALL Except GX, Hybrid, and Si
2006-09 Civic: MIL Comes On With DTC P0128*
(Supersedes 09-092, dated November 25, 2009, to revise the information marked by the black bars and asterisks)
*REVISION SUMMARY
In Applies To and under SOFTWARE INFORMATION, 2009 Civic information was added. In the program table, the 2006 Civic M/T was added.*
SYMPTOM
The MIL comes on with DTC P0128 (cooling system malfunction).
PROBABLE CAUSE
The PGM-FI software misinterprets sensor inputs as a cooling system malfunction, causing DTC P0128 to be set. This DTC can also be caused by loose
or corroded terminals in ECT sensor 2 or its 2P connector.
CORRECTIVE ACTION
Update the PGM-FI software with the HDS. If needed, replace ECT sensor 2 and its wire harness.
SOFTWARE INFORMATION
*2006-08 Civic*
HDS Software Version:
2.020.015 (November 2009) or later.
Control Module (CM) Update:
Database Update 22-OCT-2009 or later.
*2009 Civic
HDS Software Version:
2.020.022 (January 2010) or later.
Control Module (CM) Update:
Database Update 25-DEC-2009 or later.*
NOTE:
To avoid an incorrect repair that would not be covered under warranty, use the software version listed above or a later version.
The updated PGM-FI software program ID and P/N is shown. If the HDS is loaded with the latest software, and it displays No Update Needed during the
update, the software for this service bulletin is already installed.
WARRANTY CLAIM INFORMATION
