TSB B21120A — Acura Service bulletin
B21120A is a service bulletin on file with NHTSA for 3 Acura models, 2005–2012 model years. 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, the navigation date and time will…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B21120A names
| Vehicle | Model years |
|---|---|
| Acura MDX | 2005, 2006, 2007, 2008, 2009 |
| Acura RDX | 2007, 2008, 2009, 2010, 2011, 2012 |
| Acura TL | 2007, 2008 |
Every document filed under B21120A
| Document ID | Filed | Type |
|---|---|---|
| B21120A | January 25, 2022 | Service bulletin |
What B21120A covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B21120A?
B21120A is a service bulletin filed with NHTSA by Acura, covering 3 Acura models across the 2005–2012 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, the navigation date and time will…
Which vehicles does B21120A cover?
NHTSA's file names Acura MDX (2005–2009); Acura RDX (2007–2012); Acura TL (2007–2008). 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 B21120A a recall, and is the repair free?
No. B21120A 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 B21120A?
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 B21120A, 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 B21120A. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.