RAM 2500 2015 — technical service bulletin
Bulletin 1801315 · NHTSA communication 10229188 · issued Feb 7, 2015
Technical service bulletin
communication type
Electrical System
component
2015
model years
2
vehicle entries
Official summary
Flash: U0140 Lost Communication With Body Control Module (BCM) This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated (latest available) 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.