TSB 08-272-26 — Ram Service bulletin

08-272-26 is a service bulletin on file with NHTSA for 2 Ram models, 2023–2026 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. Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0234-00 - Turbocharger Overboost…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

2Documents filed
2Vehicles named
4Model years

Vehicles and model years 08-272-26 names

VehicleModel years
Ram 2500 2023, 2024, 2025, 2026
Ram 3500 2023, 2024, 2025, 2026

Every document filed under 08-272-26

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 IDFiledType
08-272-26 REV. A July 17, 2026 Service bulletin
08-272-26 July 11, 2026 Service bulletin

What 08-272-26 covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Ram 2500 TSB years TSB lookup by model

Questions buyers ask

What is TSB 08-272-26?

08-272-26 is a service bulletin filed with NHTSA by Ram, covering 2 Ram models across the 2023–2026 model years. NHTSA's summary reads: Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0234-00 - Turbocharger Overboost…

Which vehicles does 08-272-26 cover?

NHTSA's file names Ram 2500 (2023–2026); Ram 3500 (2023–2026). 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 08-272-26 a recall, and is the repair free?

No. 08-272-26 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 08-272-26?

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 08-272-26, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 08-272-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.