IC 3300 2007–2016 — technical service bulletin
Bulletin IK2600052 · NHTSA communication 11035952 · issued Jul 30, 2026
Technical service bulletin
communication type
Electrical System
component
2007–2016
model years
60
vehicle entries
Official summary
This article describes how to fix a speedometer that does not read accurately. An inaccurate speedometer can be caused by changing the tire size, changing rear axle ratio (RAR), or by parameters being inadvertently changed during a programming event. Use the formulas and calculator below to correct the pulses per mile (PPM).
Vehicles covered
- 2007 IC 3300
- 2007 IC Bus Becb
- 2007 IC Bus Besb
- 2008 IC Bus Besb
- 2009 IC Bus Besb
- 2010 IC Bus Besb
- 2013 IC Bus Casb
- 2014 IC Bus Casb
- 2015 IC Bus Casb
- 2007 IC Bus Cecb
- 2008 IC Bus Cecb
- 2009 IC Bus Cecb
- 2010 IC Bus Cecb
- 2007 IC Bus Cesb
- 2008 IC Bus Cesb
- 2009 IC Bus Cesb
- 2010 IC Bus Cesb
- 2011 IC Bus Cesb
- 2012 IC Bus Cesb
- 2013 IC Bus Cesb
- 2014 IC Bus Cesb
- 2015 IC Bus Cesb
- 2016 IC Bus Cesb
- 2007 IC Bus Fecb
- 2008 IC Bus Fecb
- 2009 IC Bus Fecb
- 2010 IC Bus Fecb
- 2011 IC Bus Fecb
- 2007 IC Bus Fesb
- 2008 IC Bus Fesb
- 2009 IC Bus Fesb
- 2010 IC Bus Fesb
- 2011 IC Bus Fesb
- 2007 IC Bus HCCB
- 2010 IC Bus HCCB
- 2008 IC Bus Iccb
- 2009 IC Bus Iccb
- 2010 IC Bus Iccb
- 2011 IC Bus Iccb
- 2012 IC Bus Iccb
- 2013 IC Bus Iccb
- 2008 IC Bus Icsb
- 2009 IC Bus Icsb
- 2010 IC Bus Icsb
- 2011 IC Bus Icsb
- 2013 IC Bus Icsb
- 2007 IC Bus RCCB
- 2010 IC Bus RCCB
- 2007 IC Bus Recb
- 2008 IC Bus Recb
- 2009 IC Bus Recb
- 2010 IC Bus Recb
- 2011 IC Bus Recb
- 2013 IC Bus Recb
- 2014 IC Bus Recb
- 2015 IC Bus Recb
- 2016 IC Bus Recb
- 2007 IC Bus Resb
- 2008 IC Bus Resb
- 2009 IC Bus Resb
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.