Service bulletin 21K2K02
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 | 632354 |
| Published by NHTSA | 2002-07-15 |
| Manufacturer's number | 21K2K02 |
| Manufacturer's date | 2002-02-01 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
NHTSA's summary
SUBJECT REGARDING NEW TCM CALIBRATION AND SOFTWARE. *TT
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, Automatic transmission, Transmission control module
| ALLISON TRANSMISSION |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.