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Service bulletin 9004409

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 id10204297
Published by NHTSA2021-12-13
Manufacturer's number9004409
Manufacturer's date2021-11-03
NHTSA componentTRAILER HITCHES

NHTSA's summary

2021 Mopar WL NAFTA trailer tow wiring kit In the vehicle reconfigure process on page 3 of I sheet K6863106 the incorrect sales code (AHC) is listed and needs to be replaced (with XF2). Correct pinout illustration in step 47 of I sheet K6863106. This current I sheet illustration highlights cavity 16 and 26 which is incorrect. The cirucuits in the harness are labeled 17 and 27 and are correctly labeled, these circuits will not fit in 16 and 26.

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
JEEP GRAND CHEROKEE2021

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
91000192023-01-23. Service bulletin. Mopar trailer brake controller.
91000162023-01-09. Service bulletin. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
S21080002052023-01-09. Service bulletin. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
91000162022-10-31. Service bulletin. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
91000162022-10-31. Service bulletin. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
S21080002052022-10-17. Service bulletin. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
S21080002052022-09-26. Service bulletin. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
S21080002052022-09-15. Service bulletin. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
S21080002052022-08-22. Service bulletin. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
90044092022-08-22. Service bulletin. 2021 Mopar WL NAFTA trailer tow wiring kit In the vehicle reconfigure process on page 3 of I sheet K6863106 the incorrect sales code (AHC) is listed and needs to be replaced (with XF2).