TSB 08-280-26 — Ram Service bulletin
08-280-26 is a service bulletin on file with NHTSA for the Ram 1500, 2026 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. Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the ITCM with…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 08-280-26 names
Every document filed under 08-280-26
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 |
|---|---|---|
| 08-280-26 REV. A | July 24, 2026 | Service bulletin |
| 08-280-26 | July 16, 2026 | Service bulletin |
What 08-280-26 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 08-280-26?
08-280-26 is a service bulletin filed with NHTSA by Ram, covering the Ram 1500 across the 2026 model years. NHTSA's summary reads: Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the ITCM with…
Which vehicles does 08-280-26 cover?
NHTSA's file names Ram 1500 (2026). 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 08-280-26 a recall, and is the repair free?
No. 08-280-26 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 08-280-26?
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 08-280-26, 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 08-280-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.