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Service bulletin 9100019

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 id10230502
Published by NHTSA2023-01-23
Manufacturer's number9100019
Manufacturer's date2022-08-03
NHTSA componentSERVICE BRAKES; TRAILER HITCHES

NHTSA's summary

Mopar trailer brake controller.

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

Brakes, Trailer hitch

Vehicles listed
JEEP GRAND CHEROKEE2020, 2021
JEEP GRAND CHEROKEE2023
JEEP GRAND CHEROKEE 4XE2022 (the catalog's model; the bulletin names a series or trim of it)

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
S238A000038 REV.D2026-09-17. Service bulletin. Auto Emergency Braking (AEB) Unavailable – Service Required Message In Cluster
1131232026-07-08. Service bulletin. SPRING KIT - DISC BRAKE PAD
S25210000052025-12-23. Service bulletin. The customer states the ABS and Traction Control warning comes on. Vehicle sets wheel speed BSCM/ABS fault codes.
S238A000038 REV.D2025-10-08. Service bulletin. Auto Emergency Braking (AEB) Unavailable – Service Required Message In Cluster
S25050000082025-10-02. Service bulletin. C0044-00-BRAKE PRESSURE SENSOR 1 (MODULE, Brake System Control 2 (BSCM 2))
91006152025-07-02. Service bulletin. Power brake booster To avoid potential charge-back, only use MOPAR approved brake fluid per the service manual. When filling the brake reservoir, use clean equipment and gloves during repair to avoid cross-contamination.
S238A000038 REV.C2025-06-11. Service bulletin. Auto Emergency Braking (AEB) Unavailable – Service Required Message In Cluster
S25080000292025-04-22. Service bulletin. Instrument Panel Cluster (IPC) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes (DTCs)
S238A000038 REV.B2024-10-01. Service bulletin. Auto Emergency Braking (AEB) Unavailable – Service Required Message In Cluster
S248A0000132024-08-12. Service bulletin. After Radio Software Update, Pedestrian Emergency Brake (PEB) Lamp and Forward Collision Warning (FCW) Lamp on in Cluster or Other Customer Programable Features Concerns Not Set, No Diagnostic Trouble Codes (DTCs)