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Service bulletin PIP5321B

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10096069
Published by NHTSA2017-03-21
Manufacturer's numberPIP5321B
Manufacturer's date2016-02-10
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE 5ET50 ELECTRIC VARIABLE AUTOMATIC TRANSMISSION ASSEMBLY AND COMPONENT IS BEING PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. DEALER WILL NEED TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE.

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

Vehicles listed
CHEVROLET VOLT2016, 2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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