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Service bulletins for the 2020 Jeep Cherokee

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.

388 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
25001192022-09-15. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Instrument Panel Cluster (IPC) Message about Diesel Particulate Filter (DPF) Regeneration
90044012022-08-22. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE. DIFFERENTIAL, Rear Axle (KL 4WD w/DK2 = 1-SPEED RDM) The Differential, Rear Axle (aka RDM) design, pump design, Driveline Control Module (aka DLCM) hardware & software and pressure sensor have all changed in the past few years. The changes are not interchangeable and each had a separate implementation date. Please comprehend it to avoid repeat repairs. There are 2 sections each with 3 sub-sections: 1) For 2014/5 VINs with DK2 = 1-spd RDM 2) For 2016 and later VINs with DK2 = 1-spd RDM 1) For 2014/5 VINs with DK2 = 1-spd RDM 2014 - 2015 VINs were built with a 1-speed RDM used a 24 plate clutch design. New service RDMs 68550586A$ use a 20-plate design. 1.1) If replacing the RDM · 24 plate and 20-plate design RDMs are NOT interchangeable unless the Drive Line Control Module (DLCM) is also replaced. · 68550586A$ service RDMs have a 20 clutch plate design · Not all 20-plate RDMs have the new pump design. The new pump requires a new DLCM. · All new service RDMs are shipped with the new pump design. · If a new 68550586AA service RDMs is installed, then replace the DLCM with new DLCM 68540647AA - 1-spd designed for the 20-plate RDM. 1.2) If replacing the DLCM but not the RDM or pump assembly, then · If the RDM is the original 24 plate design then use 68540645AA - 1-spd, 24 plate DLCM AND replace the pump with 68551790AA · If the RDM is the new 20 plate design then use 68540647AA - 1-spd, 20 plate DLCM AND also replace the pump with 68551790AA new pump unless the RDM previously had a 68551790AA installed. 1.3) If replacing the pump assembly, then use 68551790AA (new pump) AND also replace the DLCM with the version that matches the correct version of the RDM (24 or 20 plate). · Use 68540645AA for the 24 plate RDM with a new pump. · Use 68540647AA for the 20 plate RDM with a new pump. 2) For 2016 and later VINs with DK2 = 1-spd RDM Early 2016 were built with 68090612AG 24 plate RDMs. Use Section 1 ?For 2014/5 VINs with DK2 = 1-spd RDM? to resolve. The balance of M
90044022022-08-22. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION. DIFFERENTIAL, Rear Axle (KL 4WD w/DK4 = 2-SPEED RDM) The Differential, Rear Axle (aka RDM) design, pump design, Driveline Control Module (aka DLCM) hardware & software and pressure sensor have all changed in the past few years. The chages are not interchangeable and each had a separate implementation date. Please comprehend it to avoid repeat repairs. There are 2 sections each with 3 sub-sections: 1) For 2014/5 VINs with DK2 = 1-spd RDM 2) For 2016 and later VINs with DK2 = 1-spd RDM 1) For 2014/5 VINs with DK4 = 2-spd RDM 2014 - 2015 VINs built with a 2-speed RDM used a 24 plate clutch design. Service RDMs (DK4: 68545100AA and DK4 + AWL: 68545101AA) have a 20-plate design. 1.1) If replacing the RDM · 24-plate and 20-plate design RDMs are NOT interchangeable unless the Drive Line Control Module (DLCM) is also replaced. · Both 68545100A$ and 68545101A$ service RDMs have a 20 clutch plate design · Not all 20 plate RDMs have the new pump design. The new pump requires a new DLCM. · All new service RDMs are shipped with the new pump design. · If a new 20 plate service RDM is installed, then replace the DLCM with new DLCM 68383660AE - 2-spd designed for the 20 plate RDM. 1.2) If replacing the DLCM but not the RDM or pump assembly, then · If the RDM is the original 24 plate design then use 68540646AA - 2-spd, 24 plate DLCM AND also replace the pump with 68551790AA new pump. · If the RDM is the new 20 plate design then use 68383660AE - 2-spd, 20 plate DLCM AND also replace the pump with 68551790AA new pump unless the RDM previously had a 68551790AA installed. 1.3) If replacing the pump assembly, then use 68551790AA (new pump) AND also replace the DLCM with the version that matches the correct version of the RDM (24 or 20 plate). · Use 68540646AA for the 24-plate RDM with a new pump. · Use 68383660AE for the 20-plate RDM with a new pump. 2) Early 2016 were built with 24 plate RDMs. These include p/n?s 68090615AJ (2spd std), and 52123642AJ (2spd locker). Use Secti
18-001-212022-07-18. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; PARKING BRAKE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTC.P1614-00 - ECU Reset-Recovery Occurred(North America Only). Customers may experience a message on the instrument cluster stating "Speed Limiter Ready" after the first press of thespeed limiter button and the Active Vehicle Speed Limiter (AVSL) is inoperative(Sales Code NH2).Inform the customer after the software update that the proper operative will be when thecustomer presses the speed limiter button twice a message on the instrument cluster stating "Speed limiter ready" and the AVSL feature will workcorrectly(Sales Code NH2).
S21080000022022-07-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE AND ENGINE COOLING. In Extremely Cold Temperatures The Customer May Complain Of An Intermittent No Crank, Cranks And Stalls, Stops Cranking Fails To Start
S228A0000042022-06-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Panasonic VP4R Wi-Fi New Enrollment Pause
08099212022-05-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 39.5 Customers may experience one or more of the following: Intermittent, black radio display screen. Intermittent, radio freezes. Bluetooth® pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXM icon inoperative. In addition, the following enhancement are included in this update:Enables map updates.
S22080000732022-05-31. Service bulletin. ELECTRICAL SYSTEM. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
18-090-212021-12-13. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM; EXTERIOR LIGHTING; PARKING BRAKE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Flash: Powertrain Control Module (PCM) Updates 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): P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P02EE - Cylinder 1 Injector Circuit Performance. P02EF - Cylinder 2 Injector Circuit Performance. P02F0 - Cylinder 3 Injector Circuit Performance. P02F1 - Cylinder 4 Injector Circuit Performance. Customers may also experience the following condition:When the cruise control is engaged and the Active Vehicle Speed Limiter (AVSL) button is pressed, Instrument Panel Cluster (IPC) display skips ?Cruise Control Canceled? message and displays ?Speed Limiter Ready?. In addition the following software enhancement are included:Improved idle after a hot restart.
08-093-212021-06-28. Service bulletin. ELECTRICAL SYSTEM. UAS, UAQ, UCS, UAV, UCV and UCQ Radio Over The Air Software Version 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. This is part of a two step FOTA update, first update brings software level to 22.61 and this second FOTA update will take the software to 22.64. National launch for this second step is May 24, 2021. Customers may experience one or more of the following:Navigation is incorrect or can not calculate route. GPS locations is inaccurate. Uconnect radio apps are all inoperable. Backup camera screen is blue (DT and KL). Green horizontal lines appear across screen (DT and KL). Anti-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio reset intermittently. Unable to adjust audio volume. Unable to switch modes between AM, FM, SAT or Media. In addition the following enhancements are included in this update:Carplay® connectivity improvement. Improvement to Bluetooth® phone pairing. Bluetooth devices unresponsive. Improved sound quality when using a Bluetooth phone.
S2008000010 Rev.2021-06-28. Service bulletin. ELECTRICAL SYSTEM. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
08-070-212021-05-24. Service bulletin. ELECTRICAL SYSTEM. ULQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 34.2. If the software update is performed on a radio with software below 19.9, the radio could be damaged and will need to be replaced. Customers may experience one or more of the following:Lost radio presets. Radio display screen is black when the ignition is on. Radio may reset, turn itself off and then back on again. Park assist chime will continue to chime after the vehicle is turn off. Radio will display the incorrect speed limit in kph when approaching a road speed camera. In addition the following enhancements are included:Voice Recognition (VR) and Bluetooth® improvements. Improvements for Off-road pages.
S2108000002 Rev.2021-03-15. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. In Cold Temperatures The Customer May Complain Of An Intermittent No Crank, Cranks And Stalls, Stops Cranking Fails To Start
S2108000002 Rev.2021-03-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. In Cold Temperatures The Customer May Complain Of An Intermittent No Crank, Cranks And Stalls, Stops Cranking Fails To Start
90043522021-03-15. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. RELAY, Micro **This applies to the 2020 KL and 2021 KL Only!!** Owner reports in colder temperatures the vehicle may exhibit a No Start or and/or a Start and Stall fail to Start condition. Vehicle will start normally when PDC or vehicle is warmed up. This symptom may also be accompanied by DTC P1279 -STARTER CONTROL CIRCUIT 2 OPEN. Refer to SOL Publication S2108000002 REV B to ensure it is applicable to the vehicle prior to moving forward. For SOL S2108000002 REV B, the Denso 68406797AA may not be available / may be on Backorder. In the event 68406797AA is on backorder, another validated Denso relay to use is 68244159AA. Quantities for this relay are limited, we kindly request to only order on an as needed basis until mid March 2021 so customer vehicles currently exhibiting this issue can be repaired. CAUTION: Denso relay part number 68244159AA can only be used in the Run/Start relay location. Premature relay failure will occur if used in other locations. Other locations require relays which can handle higher duty cycle requirements. Note: Only the Run/Start relay will require replacement for the issue identified in S2108000002 REV B. No other Song Chuan relays should be replaced for this condition.
08-015-212021-02-16. Service bulletin. ELECTRICAL SYSTEM. Radio Enhancements This bulletin involves updating the radio software level to 1848.34. Customers may experience one or more of the following:Radio display screen flickers. Radio resets with RPM less than 1000 RPM (DT and JL with 3.0L Diesel). Clock loses 6 seconds per day (JL with 5 inch screen). Ghost Touch, features, modes and App?s changing without drivers input. Bluetooth pop noise. Pop message ?SXM Wait? displayed for extended period of time. The radio resets.
18-001-212021-02-16. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; PARKING BRAKE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTC.P1614-00 - ECU Reset-Recovery Occurred(North America Only). Customers may experience a message on the instrument cluster stating "Speed Limiter Ready" after the first press of thespeed limiter button and the Active Vehicle Speed Limiter (AVSL) is inoperative(Sales Code NH2).Inform the customer after the software update that the proper operative will be when thecustomer presses the speed limiter button twice a message on the instrument cluster stating "Speed limiter ready" and the AVSL feature will workcorrectly(Sales Code NH2).
18-105-202020-12-28. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; EQUIPMENT. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer 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):P20EE-00 - SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. Customers may also describe the following condition: Engine Start/Stop inoperative after previous software update. Remote start inoperative (South Korea vehicles only). Incorrect vehicle speed reported by the cluster when the driver changes the speed units. Undesirable pedal response in 4-LO mode. Selective Catalytic Reduction (SCR) system fault codes logged at higher vehicle speeds. Alternator load protection at idle. Check Engine Lamp or low battery indicator
S1908000194 Rev.2020-12-28. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. (Rev. A) Hands Free Liftgate Takes Multiple Foot Kicks to Open After The Vehicle Enters A Full Bus Sleep Cycle
S20080001722020-12-28. Service bulletin. ELECTRICAL SYSTEM. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
S20180000122020-12-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Check engine lamp on. Fault code P0244- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module (PCM a.k.a. ECM) after the turbocharger assembly has been replaced.
18-080-20 REV. A2020-12-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates - AN-K4MCA-18-20201101 Refer to China Joint Venture (JV) released document AN-K4MCA-18-20201101, for details on this service action.
18-105-202020-12-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer 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):P20EE-00 - SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. Customers may also describe the following condition:Engine Start/Stop inoperative after previous software update. Remote start inoperative(South Korea vehicles only). Incorrect vehicle speed reported by the cluster when the driver changes the speed units. Undesirable pedal response in 4-LO mode. Selective Catalytic Reduction (SCR) system fault codes logged at higher vehicle speeds. Alternator load protection at idle. Check Engine Lamp or low battery indicator

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.