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Service bulletin W20 Combo Phase4

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 id10194034
Published by NHTSA2021-05-24
Manufacturer's numberW20 Combo Phase4
Manufacturer's date2021-04-21
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Customer Satisfaction Notification W20 Reprogram Powertrain Control Module

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

Equipment and accessories, Labels and manuals

Vehicles listed
CHRYSLER 2002015, 2016, 2017
DODGE DART2014, 2015, 2016
JEEP CHEROKEE2014, 2015, 2016, 2017, 2018, 2019
JEEP COMPASS2017, 2018
JEEP RENEGADE2015, 2016, 2017, 2018

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

Recalls for the same vehicles and component
20245482024-08-15. Label
20176632017-12-22. Accessories
17V8240002017-12-21. EQUIPMENT
20175852017-11-28. Label
20174222017-08-31. Label
17V5430002017-08-31. EQUIPMENT:OTHER:LABELS; WHEELS:RIM
17V4330002017-07-07. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
20163702016-07-22. Accessories
20155882015-12-09. Accessories
15V4610002015-07-23. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

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
91002292024-01-08. Service bulletin. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
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
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
BulletinA2023-07-31. Service bulletin. Customer Satisfaction Notification ZD7 - Radio Software Update
08134232023-07-31. Service bulletin. Radio SW update GR18.8 Customers may experience one or more of the following: ? WiFi hotspot connection failure (UAQ and UCA). ? Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working (UAQ and UCA). ? Navigation voice prompts are in a different language than what is set. ? Radio may reset or go blank (Rear View Camera (RVC) not affected). ? Unable to enter non-alphanumeric (Emoji) characters into the Wireless phone book for caller?s name ? Unable to communicate with the radio using wiTECH. This bulletin involves inspecting and if required, updating the radio software level to 18.7 (UGQ or UDQ) 18.8 (UAQ or UCQ).