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Service bulletin 18-043-16

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 id10074942
Published by NHTSA2016-06-22
Manufacturer's number18-043-16
Manufacturer's date2016-04-15
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 GRAND CHEROKEE2015

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
08059162022-09-26. Service bulletin. This bulletin involves updating the instrument panel cluster software.
18-095-152019-05-20. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming Powertrain Control Module (PCM) with latest available software. It also involves cleaning or replacement of Exhaust Gas Temperature (EGT) Sensor 1/2 and/or Catalyst Temperature Sensor if necessary depending on Diagnostic Trouble Codes (DTCs) that may have set. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in PCM memory: ? P1296-00 - EGR Slow Response - Increasing Flow. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P2237-00 - O2 Sensor 1/1 Pump Cell Current Circuit Open. ? P24D1-00 - Particulate Matter Sensor Regeneration Incomplete. ? U0422-00 - Implausible Data Received From Body Control Module. ? P1E0C-00 - Empty Fuel Tank. ? P2463-00 - Diesel Particulate Filter - Soot Accumulation. ? P24A4-00 - Particulate Filter Restriction - Soot Accumulation Too High. ? P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. ? P208B-00 - Redundant Pump 1 Control Performance. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P204F - Reductant System Performance. ? P241D-00 - SCR Inducement - Forced Engine Shutdown. ? P20E9 - Reductant Pressure Too High. Upon further investigation a technician may find following Diagnostic Trouble Code (DTC) set in TCM memory: ? U1424-00 - Implausible Engine Torque Signal Received. The following enhancements are also included in this software update. ? DTC P0171-00 System Too Lean (Bank 1) has now changed to P026C-00 Fuel Injection Quantity Lower Than Expected. • DTC P0172-00 System Too Rich
21-064-152019-05-20. Service bulletin. Flash: 8HP70 Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. The purpose of this software release is to enable the capability to capture non Diagnostic Trouble Code (DTC) control module data through the Uconnect Data Recording system. In addition, the following improvements are available. 2015 WK ? Improved upshift timing in eco, base, and hill modes and while using cruise. ? Improved 8-7, 3-2, and 2-1 downshift timing. ? Improved shift timing at higher altitudes. ? Improved torque converter engagement. 2015 DS ? Improved 7th gear upshift timing.
18-082-152019-05-20. Service bulletin. Flash: Powertrain Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle. 2015 WK 3.0L engine (Sales Code EHD) ? Enhancements to remote engine start. 2015 WK 5.7L engine (Sales Code EZH) ? Enhancements to improve a slight lag or hesitation during Multi Displacement System (MDS) mode transitions. ? Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. ? Malfunction Indicator Lamp (MIL) illuminated with Diagnostic Trouble Code (DTC) U0140-00 - Lost Communication with Body Control Module (BCM). 2014 WD 5.7L engine (Sales Code EZH) ? Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2015 WD 5.7L engine (Sales Code EZH) ? Enhancements to remote engine start.
08-083-152018-11-19. Service bulletin. Flash: Bass, Mid, Treble Adjustment Causes Erratic Volume Increases This bulletin involves reprogramming the Amplifier (AMP) with the latest available software. The customer may describe when changing the radio tone settings (Bass, Mid, Treble) the volume levels may be erratic. Depending where the volume is set, the volume changes maybe very loud or very little. Example: Volume set to 8 and making adjustments to the tone settings, the volume can increase by 15 db. Volume set to 25 and making adjustments to the tone settings, there maybe no volume changes.
08-079-14 REV. C2018-06-11. Service bulletin. RA3 RA4 Radio Enhancements This bulletin involves inspecting and, if required, updating the radio software. A small number of customers may experience one or more of the following: Low battery condition due to the radio remaining powered up after the ignition has been turned off (U.S Markets Only) The Radio may switch from SiriusXM to an AM station by itself Uconnect registration always present, can not remove Uconnect account Teleprompter does not appear when pressing the Voice Recognition (VR) button VR operation cancels while in media mode Radio may display previous cameras image before displaying the current image Navigation lost vehicle position, during route calculation Navigation displays are missing after vehicle heading changes Navigation giving incorrect guidance to exit the highway FM audio may switch to AM after ignition cycle Text messages appear as sender?s phone number not their name. VR phone button may not work at times Audio muted after AUX device is disconnected VR, ? Listen? to text, will only play 1st message Drive Mode: Eco, sport or normal setting may not be saved after key cycle (LA, LD, LX and ZD Only). Drive Mode: Shift light On/Off, out of sync (LA, LD, LX and ZD Only) SirusXM station information does not update. Speed adjusted volume, may not work AM or FM seek or tuner soft keys may be missing Display screen show ambient temperature as ?- - ? not normal values.Improvements: High Definition (HD) radio buffering. Spanish translation. Radio station, scroll feature. Drive Mode: Launch control button, text improvements (LA, LD, LX and ZD Only). Making assist calls. App functionality and screen displays. Displays correct media, song titles and tracks. Travel Link, Points Of Interest (POI), displaying movies and favorites. Incoming calls, audio enhancements (LA, LD and LX Only). Audio for strong AM stations. VR performance. Settings can only be changed in run mode, not ACC.
18-074-142018-06-11. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following software is being released to improve A/C compressor relay duty cycle operation to prevent ignition off battery draw.
08-108-142018-06-11. Service bulletin. RA2 Radio Software Enhancements This bulletin involves updating the radio's software. A customer may have experience one or more of the following: Not able to change state of heated seats and/or steering wheel during stop event on Stop/Start vehicles. Touchscreen confirmation beep may be too loud (Grand Cherokee only). U0208-00 - Loss Communication With Heated Seat Control Module (Cherokee only).Improvements: Only allow vehicle settings to be changed in run mode. To help insure settings are properly saved. Always gray out text message soft keys for non-supporting devices. Voice Recognition (VR) improved accuracy.
08-109-142018-06-11. Service bulletin. RG2 Or RJ2 Radio Software Enhancements This bulletin involves updating the radio's software. A customer may have experience one or more of the following: Not able to change state of heated seats and/or steering wheel during stop event on Stop/Start vehicles. Touchscreen confirmation beep may be too loud. The radio does not allow selection of the Polish language. The radio fan continually runs at high speed. Customer perception may be the radio fan is too loud.Improvements: Only allow vehicle settings to be changed in run mode. To help insure settings are properly saved. Always gray out text message soft keys for non-supporting devices. Voice Recognition (VR) improved accuracy.
21-040-142018-06-11. Service bulletin. Flash: 8HP70 Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience one of more of the following conditions. Intermittent delayed upshifts in 1st or 2nd gear. Less than desired shift quality when operating the vehicle in Four Wheel Drive (4wd) Low mode. With the vehicle stationary and the Selec-Terrain system set to Snow Mode, the transmission will perform a 2-1 downshift when pressing the (+) steering wheel mounted shift paddle instead of remaining in 2nd gear.