Jeep Wrangler 2011 — technical service bulletin
Bulletin ER-L-35 · NHTSA communication 10042906 · issued Oct 1, 2011
Technical service bulletin
communication type
Electrical System
component
2011
model years
1
vehicle entries
Official summary
Jeep: see document search button for owner letter. After detection of downstream oxygen sensor slow response monitor or egr monitor fault, some vehicles may have been inadvertently programmed with software that fail to illuminate the mil. *pe
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.