TSB B19-003 — Acura Service bulletin
B19-003 is a service bulletin on file with NHTSA for the Acura TLX, 2015 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. Service Bulletin - During a downshift from 9th or 8th gear to 7th gear or lower, a miscalculation in the TCM software causes the MIL to come on with DTC P0716 (input shaft [mainshaft] speed sensor [range/performance]).
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B19-003 names
Every document filed under B19-003
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 |
|---|---|---|
| B19-003 | December 4, 2020 | Service bulletin |
| B19-003 | October 15, 2020 | Service bulletin |
What B19-003 covers
Engine, Transmission & drivetrain, Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B19-003?
B19-003 is a service bulletin filed with NHTSA by Acura, covering the Acura TLX across the 2015 model years. NHTSA's summary reads: Service Bulletin - During a downshift from 9th or 8th gear to 7th gear or lower, a miscalculation in the TCM software causes the MIL to come on with DTC P0716 (input shaft [mainshaft] speed sensor [range/performance]).
Which vehicles does B19-003 cover?
NHTSA's file names Acura TLX (2015). 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 B19-003 a recall, and is the repair free?
No. B19-003 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 B19-003?
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 B19-003, 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 B19-003. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.