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Service bulletin PIC624B

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 id10137507
Published by NHTSA2018-05-21
Manufacturer's numberPIC624B
Manufacturer's date2018-04-18
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN:DRIVELINE:DRIVESHAFT

NHTSA's summary

This Preliminary Information communication advises the technician that the Chevrolet Bolt EV Drive Unit (1ET25) and components will remain on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Transmission and driveline, Driveshaft

Vehicles listed
CHEVROLET BOLT EV2017, 2018

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

Other bulletins for the same vehicles and component
22-NA-0892022-06-06. Service bulletin. This service bulletin provides a Service Procedure to correct customer concerns of Intermittent Click Noise at Front of Vehicle, ABS, Traction Control System (TCS)/Stabilitrak Lamps May Illuminate Intermittently and/or Deactivate for Ignition Cycle with DTC P215B, C0035-C0051 Set.