Jeep Wrangler 2015 — technical service bulletin
Bulletin 18-068-14 · NHTSA communication 10139859 · issued Nov 25, 2014
Technical service bulletin
communication type
Power Train
component
2015
model years
1
vehicle entries
Official summary
Flash: U0140 Lost Communication With Body Control Module. This bulletin involves reprogramming the Powertrain Control Module (PCM) with update software. During normal diagnostics a technician may find Diagnostic Trouble Code (DTC) U0140 Lost Communication With Body Control Module. Attempting to clear the DTC will 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.