Lexus CT Hybrid 2001–2015 — technical service bulletin
Bulletin L-SB-0021-14 · NHTSA communication 10132777 · issued Jun 12, 2014
Technical service bulletin
communication type
Electrical System
component
2001–2015
model years
60
vehicle entries
Official summary
TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s informa
Vehicles covered
- 2011 Lexus CT Hybrid
- 2012 Lexus CT Hybrid
- 2013 Lexus CT Hybrid
- 2014 Lexus CT Hybrid
- 2015 Lexus CT Hybrid
- 2001 Lexus ES300
- 2002 Lexus ES300
- 2003 Lexus ES300
- 2004 Lexus ES330
- 2005 Lexus ES330
- 2006 Lexus ES330
- 2007 Lexus ES350
- 2008 Lexus ES350
- 2009 Lexus ES350
- 2010 Lexus ES350
- 2011 Lexus ES350
- 2012 Lexus ES350
- 2013 Lexus ES350
- 2014 Lexus ES350
- 2015 Lexus ES350
- 2013 Lexus ES Hybrid
- 2014 Lexus ES Hybrid
- 2015 Lexus ES Hybrid
- 2001 Lexus GS300
- 2002 Lexus GS300
- 2003 Lexus GS300
- 2004 Lexus GS300
- 2005 Lexus GS300
- 2006 Lexus GS300
- 2007 Lexus GS 350
- 2008 Lexus GS 350
- 2009 Lexus GS 350
- 2010 Lexus GS 350
- 2011 Lexus GS 350
- 2012 Lexus GS 350
- 2013 Lexus GS 350
- 2014 Lexus GS 350
- 2015 Lexus GS 350
- 2001 Lexus GS430
- 2002 Lexus GS430
- 2003 Lexus GS430
- 2004 Lexus GS430
- 2005 Lexus GS430
- 2006 Lexus GS430
- 2007 Lexus GS430
- 2007 Lexus GS450H
- 2008 Lexus GS450H
- 2009 Lexus GS450H
- 2011 Lexus GS450H
- 2012 Lexus GS450H
- 2014 Lexus GS450H
- 2015 Lexus GS450H
- 2008 Lexus GS460
- 2009 Lexus GS460
- 2010 Lexus GS460
- 2011 Lexus GS460
- 2010 Lexus GS Hybrid
- 2013 Lexus GS Hybrid
- 2010 Lexus GX460
- 2011 Lexus GX460
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.