Service bulletin PIP-4714
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 | 10032451 |
| Published by NHTSA | 2010-03-26 |
| Manufacturer's number | PIP-4714 |
| Manufacturer's date | 2009-10-01 |
| NHTSA component | ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
NHTSA's summary
CHEVROLET/GMC: SHUTTLE BUS GENERATOR MODIFICATION P0621. DEALER MAY ENCOUNTER CONCERN OF A SES LIGHT ON WITH DTC P0621 FOUND. MANY CASES THESE VEHICLES ARE USED IN A SHUTTLE BUS APPLICATION. SOME UPFITTERS OF THE SHUTTLE BUSES ARE ORDERING THE VEHICLES WITH DUAL GENERATORS AND REMOVING ONE OF THE GENERATORS TO INSTALL AN ADD ON AIR CONDITIONING COMPRESSOR. *PE
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
Trouble codes named
P0621
| CHEVROLET EXPRESS | 2009 |
|---|---|
| GMC SAVANA | 2009 |
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. |
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