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Service bulletin TB-17-42-02

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 id10191500
Published by NHTSA2021-05-03
Manufacturer's numberTB-17-42-02
Manufacturer's date2017-05-01
NHTSA componentPOWER TRAIN

NHTSA's summary

It has been found that certain vehicles may exhibit a whining sound heard from the rear during low-speed full lock turns. The remedy for this concern is draining and refilling the differential with the appropriate fluid as directed.

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

Transmission and driveline

Vehicles listed
KARMA KARMA
KARMA REVERO2020, 2021, 2022

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
SC-26-12-012026-03-31. Service bulletin. Update to procedure for oil sump removal & replacement
TB-24-16-012024-06-21. Over-the-air update. On complaint this is offered to provide a software update (BL1070) over the air to remedy the complaint of a DTC and drive behavior.
CC-23-00-022023-11-27. Service bulletin. This bulletin will outline the process of what to expect and what to perform for a software update.
CC-23-00-012023-06-15. Service bulletin. Baseline Software update for specified models