| Subject: | Revised Entertainment Information for Class 2 Radios | 
| Models: | 2002 Chevrolet Blazer, S-10 Pickup | 
 
This bulletin is being issued to revise various information in the Entertainment
sub-section of the Service Manual. Please replace the current information in the Service
Manual with the following information.
The following information has been updated within SI. If you are using a paper
version of this Service Manual, please make a reference to this bulletin on the affected
page.
The following information has been updated to include information for class 2
radios (with CTF), which was a mid-year enhancement.
|     •  | Radio/Audio System Description and Operation (w/CTF) -- SI Document
ID #881601 | 
 
|     •  | Radio Displays LOC, LOCKED or CODE (w/CTF) -- SI Document ID #862301 | 
 
|     •  | Scan Tool Data Definitions (w/CTF) -- SI Document ID #1211832 | 
 
|     •  | Scan Tool Data List (w/CTF) -- SI Document ID #1211831 | 
 
|     •  | Diagnostic System Check - Entertainment System (w/CTF) -- SI
Document ID #1210334 | 
 
|     •  | Diagnostic Starting Point - Entertainment (w/CTF) -- SI Document
ID #124465 |