RAM 2500 2015 — technical service bulletin
Bulletin 18-055-15 · NHTSA communication 10148657 · issued Sep 3, 2015
Technical service bulletin
communication type
Power Train
component
2015
model years
2
vehicle entries
Official summary
MIL Illuminates On Rough Roads This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination while driving on rough roads. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: ? P0300 - Multiple Cylinder Misfire ? P0301 - Cylinder 1 Misfire ? P0302 - Cylinder 2 Misfire ? P0303 - Cylinder 3 Misfire ? P0304 - Cylinder 4 Misfire ? P0305 - Cylinder 5 Misfire ? P0306 - Cylinder 6 Misfire ? P0307 - Cylinder 7 M
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.