Service bulletin 21K2K01A
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 631918 |
| Published by NHTSA | 2002-06-25 |
| Manufacturer's number | 21K2K01A |
| Manufacturer's date | 2001-12-01 |
| NHTSA component | POWER TRAIN:MANUAL TRANSMISSION |
NHTSA's summary
SUBJECT REGARDING IMPLEMENTATION OF VERSION N04 SOFTWARE FOR 1000/2000/2400 TRANSMISSIONS. *SLC
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Transmission and driveline, Manual transmission
| GMC GM |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.