RAM 2500 2013 — technical service bulletin
Bulletin 18-057-15 REV A · NHTSA communication 10159916 · issued Nov 7, 2015
Technical service bulletin
communication type
Equipment
component
2013
model years
2
vehicle entries
Official summary
Flash: 6.7L Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for the following conditions. The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: ? U1A24 - Lost Communication With Ammonia Sensor. Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: ? P0201 - P0206 - Fuel
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.