RAM Promaster 2014 — technical service bulletin
Bulletin 18-018-15 · NHTSA communication 10144806 · issued Mar 4, 2015
Technical service bulletin
communication type
Electrical System
component
2014
model years
1
vehicle entries
Official summary
Flash: 3.0L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following system enhancements will improve the detection capability for "Insufficient Diesel Exhaust Fluid (DEF) Quality".
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.