TSB 03-06-01-023I — Chevrolet and GMC Service bulletin
03-06-01-023I is a service bulletin on file with NHTSA for 5 Chevrolet and GMC models, 2001–2010 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 03-06-01-023I names
| Vehicle | Model years |
|---|---|
| Chevrolet Avalanche | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
| Chevrolet Silverado 1500 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
| Chevrolet Silverado 2500 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
| Chevrolet Suburban | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
| GMC Sierra 1500 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
Every document filed under 03-06-01-023I
| Document ID | Filed | Type |
|---|---|---|
| 03-06-01-023I | December 18, 2024 | Service bulletin |
What 03-06-01-023I covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 03-06-01-023I?
03-06-01-023I is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 5 Chevrolet and GMC models across the 2001–2010 model years. NHTSA's summary reads: This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
Which vehicles does 03-06-01-023I cover?
NHTSA's file names Chevrolet Avalanche (2002–2010); Chevrolet Silverado 1500 (2001–2009); Chevrolet Silverado 2500 (2001–2009); Chevrolet Suburban (2001–2010); GMC Sierra 1500 (2001–2009). 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 03-06-01-023I a recall, and is the repair free?
No. 03-06-01-023I 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 03-06-01-023I?
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 03-06-01-023I, 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 03-06-01-023I. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.