TSB A23-091 — Honda Service bulletin
A23-091 is a service bulletin on file with NHTSA for 3 Honda models, 2019–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years A23-091 names
| Vehicle | Model years |
|---|---|
| Honda Odyssey | 2019 |
| Honda Passport | 2019, 2020, 2021 |
| Honda Ridgeline | 2020, 2022 |
Every document filed under A23-091
| Document ID | Filed | Type |
|---|---|---|
| A23-091 | December 15, 2023 | Service bulletin |
What A23-091 covers
Fuel system, Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB A23-091?
A23-091 is a service bulletin filed with NHTSA by Honda, covering 3 Honda models across the 2019–2022 model years. NHTSA's summary reads: Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).
Which vehicles does A23-091 cover?
NHTSA's file names Honda Odyssey (2019); Honda Passport (2019–2021); Honda Ridgeline (2020, 2022). 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 A23-091 a recall, and is the repair free?
No. A23-091 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 A23-091?
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 A23-091, 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 A23-091. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.