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Service bulletin 9004203

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 id10173267
Published by NHTSA2020-04-06
Manufacturer's number9004203
Manufacturer's date2020-02-05
NHTSA componentTRAILER HITCHES

NHTSA's summary

WK/WD Mopar trailer tow lighting accessory kit Wire pin out diagram in step 44 of installation instructions is incorrect, follow pin outs description (Cavity 29 WH/GN wire, Cavity 33 WH/DG wire)

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

Trailer hitch

Vehicles listed
DODGE DURANGO2018, 2019
JEEP GRAND CHEROKEE2018, 2019

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
S2123000010 Rev.2021-04-26. Service bulletin. Vehicle Sway At Very Low Speed While Being Flat Towed Behind A RV