TSB A21120A — Honda Service bulletin
A21120A is a service bulletin on file with NHTSA for 4 Honda models, 2005–2014 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. ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a result, once specific triggers are met,…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years A21120A names
| Vehicle | Model years |
|---|---|
| Honda Accord | 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
| Honda Odyssey | 2005, 2006, 2007, 2008, 2009, 2010 |
| Honda Pilot | 2006, 2007, 2008, 2009, 2010, 2011 |
| Honda Ridgeline | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
Every document filed under A21120A
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 |
|---|---|---|
| A21120A | June 13, 2023 | Service bulletin |
| A21120A | January 25, 2022 | Service bulletin |
What A21120A covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB A21120A?
A21120A is a service bulletin filed with NHTSA by Honda, covering 4 Honda models across the 2005–2014 model years. NHTSA's summary reads: ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a result, once specific triggers are met,…
Which vehicles does A21120A cover?
NHTSA's file names Honda Accord (2006–2012); Honda Odyssey (2005–2010); Honda Pilot (2006–2011); Honda Ridgeline (2006–2014). 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 A21120A a recall, and is the repair free?
No. A21120A 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 A21120A?
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 A21120A, 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 A21120A. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.