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Service bulletin 18-034-16

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 id10074932
Published by NHTSA2016-06-22
Manufacturer's number18-034-16
Manufacturer's date2016-03-31
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
JEEP CHEROKEE2016

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

Recalls for the same vehicles and component
18V3320002018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING

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
S23250000072024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
18034162022-07-05. Service bulletin. Powertrain Diagnostic And System Enhancements.
18029162022-07-05. Service bulletin. Powertrain Diagnostic And System Enhancements.
1802916 REV A2022-07-05. Service bulletin. Powertrain Diagnostic And System Enhancements.
1801416 REV A2022-07-05. Service bulletin. Powertrain Diagnostic and System Improvements.
08-114-15 REV A2019-05-20. Service bulletin. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu (FF BEV only). ? Korean language was not supported (APAC - Korea only). Enhancement: ? Removing the charging schedule from showing in the setting menu (FF BEV only). ? Adding Korean language support (APAC - Korea only).
08-114-152019-05-20. Service bulletin. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu (FF BEV only). ? Korean language was not supported (APAC - Korea only). Enhancement: ? Removing the charging schedule from showing in the setting menu (FF BEV only). ? Adding Korean language support (APAC - Korea only).
18-084-152019-05-20. Service bulletin. Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B104D - Blend Door Control Circuit Low. ? P0133 - Wide Range O2 Slow Response. ? U0402 - Implausible Data Received From TCM. ? U1424 - Implausible Engine Torque Signal Received. In addition, some customers may experience the following: ? A Transmission Tip-In Bump (when accelerating out of 4th gear).
08-028-17 REV. B2017-11-03. Service bulletin. RA3 and RA4 Radio Over The Air Software Updates This bulletin provides information regarding the latest Flash 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 following improvements are included in this update:Fix for sport mode not working in the performance menu page (2015 LA equipped with 6.4L and 5.7L Sales Codes ESH and EZC Only). Adds Apple Siri® Eyes Free capability for iPhone® owners. Auto Play can now be configured. Adds do not disturb text message feature. The ability to drag and drop icons into the menu bar. Fix for radio locks up/frozen. Fix for stuck on black/blank screen. Human Machine Interface (HMI) improvements. Several navigation improvements. Fix for radio loss of time display. Media devices, phone pairing and Bluetooth usage improvements. Improved tuner performance. Enhanced Voice recognition (VR) performance. Enhancements in Connectivity Apps (Yelp, Pandora, Aha, etc).
21-007-162017-10-13. Service bulletin. Flash: Power Transfer Unit (PTU) Motor Position Enhancements This bulletin involves updating the software in the Power Transfer Unit (PTU). A customer may experience All Wheel Drive (AWD) not operating correctly. On further inspection the Technician may find the following Diagnostic Trouble Codes (DTCs), C1494-92-PTU Fork Position - Performance or Incorrect Operation.