Service bulletin PIT-4539-T
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 | 10078609 |
| Published by NHTSA | 2016-08-11 |
| Manufacturer's number | PIT-4539-T |
| Manufacturer's date | 2016-04-06 |
| NHTSA component | ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
NHTSA's summary
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION ON THE DRIVE MOTOR GENERATOR CONTROL MODULE PART RESTRICTION. DEALER WILL NEED TO CALL GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS.
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
Electrical system, Alternator
| CADILLAC ESCALADE | 2009, 2010, 2011, 2012, 2013 |
|---|---|
| CHEVROLET SILVERADO 1500 | 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2008, 2009, 2010, 2011, 2012, 2013 |
| GMC SIERRA 1500 | 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2008, 2009, 2010, 2011, 2012, 2013 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| PI1404 | 2017-08-15. Service bulletin. This preliminary informational bulletin provides a diagnostic tip for low line pressure or pressure regulator valve stuck after transmission service pump cover replacement. |
|---|---|
| PIT-4539L | 2011-05-26. Service bulletin. GM: A DRIVER MOTOR GENERATOR CONTROL MODULE IS BEING PUT ON RESTRICTION. *RM UPDATED 2/14/12. *PE |