Dodge Ram 2500 2012–2015 — technical service bulletin
Bulletin 9004412 · NHTSA communication 10219927 · issued Aug 25, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2015
model years
4
vehicle entries
Official summary
MASTER CYLINDER, Brake A new master cylinder reservoir has been made available that is backward compatible but not interchangeable with old parts as follows: 68144489AA MASTER CYLINDER (OLD) or 68144492AA RESERVOIR (OLD) should be replaced with 68285796AA MASTER CYLINDER AND 68285797AA RESERVOIR (NEW) in pairs and not individually.
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.