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Service bulletin 9004349

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 id10188616
Published by NHTSA2021-03-15
Manufacturer's number9004349
Manufacturer's date2021-02-10
NHTSA componentSERVICE BRAKES; EQUIPMENT

NHTSA's summary

MASTER CYLINDER, Brake For a brake pedal feel complaint, power bleed the brake system to try and resolve the issue before replacing the master cylinder.

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, Equipment and accessories

Vehicles listed
JEEP GRAND CHEROKEE2019, 2020

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

Recalls for the same vehicles and component
20246772024-11-07. Brakes
24V8380002024-11-07. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
20223052022-06-09. Brakes
22V4260002022-06-09. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S248A0000012024-03-18. Service bulletin. SOS and Assistance Call Not Working After Radio Exchange Unit Installed
91002762024-01-16. Service bulletin. Spring Front Upr - Isolator Before replacing this part. Please contact FCA REDACTED CONTENT. ~ If no response in 15 minutes, proceed with repair.
S18080001522024-01-02. Service bulletin. CEL (Check Engine Lamp) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes (DTCs) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042-54 Brake Pedal Missing Calibration
931202023-10-02. Service bulletin. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
930232023-10-02. Service bulletin. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)
ZD72023-09-25. Service bulletin. Customer Satisfaction Notification ZD7 - Radio Software update
91001962023-09-25. Service bulletin. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
08140232023-08-21. Service bulletin. Radio Over The Air JR34.41F Updating to JR34.42F Software Version ? Mobile WiFi inoperative upon start up. ? WiFi hotspot gives ?No Internet? connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from JR34.41F to JR34.42F. NOTE: The National campaign for this FOTA update launched July 5, 2023.
ReferenceZD72023-08-21. Service bulletin. Customer Satisfaction Notification ZD7 - Radio Software Update
S238A0000242023-07-31. Service bulletin. SOS, Assistance Calls Not Successful After Radio Replacement or Radio Software Update