RAM 1500 2020–2021 — technical service bulletin
Bulletin 9004387 · NHTSA communication 10221229 · issued Jun 16, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2020–2021
model years
2
vehicle entries
Official summary
BUNDLE, Fuel Line Fuel line bundle part number 68494192A$ utilizes a new design fuel pressure sensor that may differ from the one originally installed on the vehicle. All 2020 model year, and some 2021 model year vehicles will require a new fuel pressure sensor electrical connector (pn# 68137864A$) to be installed when installing this part. Please note, the pin locations for the pressure sensor circuits have also changed on the new design sensor. Circuit N7 (OG) has moved from pin 1 to pin 2. Circuit N10 (YE/GN) has moved from pin 2 to pin 3. Circuit N8 (WH/YL) has moved from pin 3 to pin 1. P
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.