RAM 2500 2019–2022 — technical service bulletin

Bulletin 9004414 · NHTSA communication 10227961 · issued Apr 6, 2022

Technical service bulletin

communication type

Fuel System, Diesel

component

2019–2022

model years

vehicle entries

Official summary

DRIVE, Fan If a heavy duty diesel vehicle comes in with reports of loud fan noise or fan always on, please call FCA Redacted Content. If no response within 15 minutes, proceed with repair

Vehicles covered

2019 RAM 2500
2020 RAM 2500
2021 RAM 2500
2022 RAM 2500
2019 RAM 3500
2020 RAM 3500
2021 RAM 3500
2022 RAM 3500
2019 RAM 4500
2020 RAM 4500
2021 RAM 4500
2022 RAM 4500
2019 RAM 5500
2020 RAM 5500
2021 RAM 5500
2022 RAM 5500

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.