Jeep Wrangler 2010–2011 — technical service bulletin
Bulletin 18-024-16 REV. B · NHTSA communication 10084054 · issued Jul 30, 2016
Technical service bulletin
communication type
Power Train
component
2010–2011
model years
2
vehicle entries
Official summary
"flash: powertrain diagnostic and system improvements this bulletin involves reprogramming the powertrain control module (pcm) with updated software. The customer may experience a malfunction indicator lamp (mil) illumination or notice that the fuel saver indicator light (fsi) is turning on and off. Upon further investigation the technician may find one or more of the following diagnostic trouble codes (dtcs): · **p0452 - evap pressure switch stuck closed (10 my with sales code deh only).** · u0140 - lost communication with body control module. Attempting to clear the dtc may be unsuccessful.
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.