TSB S2621000003 — Chrysler, Dodge, Jeep and Ram Service bulletin
S2621000003 is a service bulletin on file with NHTSA for 7 Chrysler, Dodge, Jeep and Ram models, 2012–2023 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716,…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years S2621000003 names
| Vehicle | Model years |
|---|---|
| Chrysler 300 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Dodge Challenger | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Dodge Charger | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Dodge Durango | 2014, 2015, 2016, 2017 |
| Jeep Grand Cherokee | 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Jeep Wrangler | 2018 |
| Ram 1500 | 2014, 2015, 2016, 2017, 2018 |
Every document filed under S2621000003
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| S2621000003 REV.A | March 9, 2026 | Service bulletin |
| S2621000003 | February 25, 2026 | Service bulletin |
What S2621000003 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB S2621000003?
S2621000003 is a service bulletin filed with NHTSA by Chrysler, Dodge, Jeep and Ram, covering 7 Chrysler, Dodge, Jeep and Ram models across the 2012–2023 model years. NHTSA's summary reads: The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716,…
Which vehicles does S2621000003 cover?
NHTSA's file names Chrysler 300 (2012–2023); Dodge Challenger (2015–2023); Dodge Charger (2012–2023); Dodge Durango (2014–2017); Jeep Grand Cherokee (2014–2020); Jeep Wrangler (2018); Ram 1500 (2014–2018). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB S2621000003 a recall, and is the repair free?
No. S2621000003 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of S2621000003?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under S2621000003, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under S2621000003. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.