Toyota 4RUNNER 2003–2009 — technical service bulletin
Bulletin T-SB-0189-17 · NHTSA communication 10131801 · issued Feb 27, 2017
Technical service bulletin
communication type
Visibility
component
2003–2009
model years
7
vehicle entries
Official summary
TSB: Some 2003 ? 2009 model year 4Runner vehicles may exhibit back door glass "broken" without external impact. This condition may be associated with rear window defogger usage before glass breakage. Updated rear glass has been developed to address this condition.
Vehicles covered
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.