Winnebago 221B 1970–2022 — technical service bulletin
Bulletin 7SB014-21-01A · NHTSA communication 10199380 · issued Mar 26, 2021
Technical service bulletin
communication type
Equipment
component
1970–2022
model years
60
vehicle entries
Official summary
General Parts and Service Letter to dealers detailing the warranty part return procedure.
Vehicles covered
- 2002 Winnebago 221B
- 2002 Winnebago 222FD
- 2002 Winnebago 222HD
- 2002 Winnebago 222QD
- 2015 Winnebago 24J View
- 2016 Winnebago 31BE
- 1990 Winnebago 320RB
- 1991 Winnebago 320RB
- 1990 Winnebago 321RB
- 1991 Winnebago 321RB
- 1990 Winnebago 321RG
- 1991 Winnebago 321RG
- 1990 Winnebago 321RL
- 1991 Winnebago 321RL
- 2012 Winnebago 40U
- 1992 Winnebago 422RG
- 1992 Winnebago 424RC
- 1992 Winnebago 427RC
- 1992 Winnebago 427RQ
- 1992 Winnebago 427RT
- 1992 Winnebago 522RG
- 1992 Winnebago 524RC
- 1992 Winnebago 527RC
- 1992 Winnebago 527RQ
- 2006 Winnebago Access
- 2007 Winnebago Access
- 2008 Winnebago Access
- 2009 Winnebago Access
- 2010 Winnebago Access
- 2011 Winnebago Access
- 2012 Winnebago Access
- 2013 Winnebago Access
- 2014 Winnebago Access
- 2015 Winnebago Access
- 2016 Winnebago Access
- 2017 Winnebago Access
- 2018 Winnebago Access
- 2009 Winnebago Access Premier
- 2010 Winnebago Access Premier
- 2011 Winnebago Access Premier
- 2012 Winnebago Access Premier
- 1992 Winnebago Adventurer
- 1993 Winnebago Adventurer
- 1994 Winnebago Adventurer
- 1995 Winnebago Adventurer
- 1996 Winnebago Adventurer
- 1997 Winnebago Adventurer
- 1998 Winnebago Adventurer
- 1999 Winnebago Adventurer
- 2000 Winnebago Adventurer
- 2001 Winnebago Adventurer
- 2002 Winnebago Adventurer
- 2003 Winnebago Adventurer
- 2004 Winnebago Adventurer
- 2005 Winnebago Adventurer
- 2006 Winnebago Adventurer
- 2007 Winnebago Adventurer
- 2008 Winnebago Adventurer
- 2009 Winnebago Adventurer
- 2010 Winnebago Adventurer
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.