Service bulletin S2525000002 REV.B
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11031236 |
| Published by NHTSA | 2026-04-10 |
| Manufacturer's number | S2525000002 REV.B |
| Manufacturer's date | 2026-03-31 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
Diesel Exhaust Fluid (DEF) Gauge Fluctuates Or Is Erratic. Diagnostic Trouble Code (DTC) P203F – Reductant Level Too Low.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Trouble codes named
P203F
| RAM 2500 | 2025, 2026 |
|---|---|
| RAM 3500 | 2025, 2026 |
| RAM 4500 | 2025, 2026 |
| RAM 5500 | 2025, 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.