WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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
S18090000072022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Customer Complaint May Include Engine Oil Leak Or Consumption
S1809000007 Rev.2021-06-28. Service bulletin. ENGINE AND ENGINE COOLING. Customer Complaint May Include Engine Oil Leak Or Consumption
S1809000007 Rev.2021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include engine oil leak/consumption.
90033572021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter (Pentastar V6) All vehicles equipped with a 3.2L or 3.6L except for model year 2014 vehicles with leak concern: 1) Ensure the Oil Filter Adapter (OFA) Cap O-ring is seated in the proper groove in the cap and not damaged or cut. 2) If replacing the (OFA) due to a leak detected between (OFA) and block. Ensure the torque on the 5 bolts are torqued to 12nm. If not record the actual values, torque to 12nm and contact the FCA employees listed below. 3) Remove the (OFA) and replace the O-ring and gaskets only (Kit #68191356A$), NOT THE OFA. 4) If oil was drained, add oil dye to ensure the leak is repaired. For model year 2014 vehicles replace the Oil Filter Adaptor. 5) When replacing PN's 68310865A$ & 68308741A$, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
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.
S2108000002 Rev.2021-02-16. Service bulletin. 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
S21080000022021-02-16. Service bulletin. 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
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
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.
90043352020-12-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; EQUIPMENT. Turbocharger If the turbo is being replaced for an oil leak concern, please inspect the area around the turbo oil feed o-ring for a leak. The o-ring is serviced separately and complete turbo replacement may not be necessary.
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
S20180000122020-12-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM; 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.
90043352020-12-21. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Turbocharger If the turbo is being replaced for an oil leak concern, please inspect the area around the turbo oil feed o-ring for a leak. The o-ring is serviced separately and complete turbo replacement may not be necessary.
07-002-202020-11-30. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Heater Hoses Installed Incorrectly This bulletin involves inspecting the heater hoses and possibly draining the engine coolant, swapping the heater hoses and refilling the engine coolant. Some vehicles may have been built with one or more of the following:Heater hoses installed in reversed order. If the coolant was drained and replaced, a sign the heater hoses are reversed is the vehicle will also make a gurgling noise.
18-085-20 REV. A2020-11-30. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. 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 Diagnostic Trouble Code (DTC).P2610 - PCM Internal Engine Off Timer Performance. Customers may experience one or more of the following:An audible clunk after applying throttle from a coasting condition, predominantly in fifth and sixth gear while driving 48 - 72 kph (30 - 45 mph). A message on the instrument cluster stating ?Speed limiter ready? after the first press of the speed limiter button and the Active Vehicle Speed Limiter (AVSL) is inoperative(Equipped with NH2 Sales Code Only).Inform the customer after the software update that the proper operative will be when the customer presses the speed limiter button twice, a message on the instrument cluster stating ?Speed limiter ready?and the AVSL feature will work correctly (Equipped with NH2 Sales Code Only).
90014962020-10-26. Service bulletin. ENGINE; EQUIPMENT. CAP, Engine Oil, Fill (O RING, Oil Filler Cap) For all model years, models and engines using oil fill caps with O-Ring seals: These O-Rings are now available for service. The green O-Ring is part 68029299A$. The black O-Ring is to be serviced by the green O-Ring. The blue O-Ring (thicker cross section than green & black) is part 68029300A$.~ If ordering this oil filler cap for a warranty repair due to a damaged/missing O-ring, please note that returned caps replaced for an O-ring issue will be subject to chargeback.
18-007-20 REV. A2020-09-28. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. 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 Diagnostic Trouble Code (DTC).P2610 - PCM Internal Engine Off Timer Performance. Customers may also experience a message on the instrument cluster stating " Speed limiter ready " after the first press of the speed limiter button and the Active Vehicle Speed Limiter (AVSL) is inoperative(equipped with NH2 Sales Code only).Inform the customer after the software update that the proper operative will be when the customer presses the speed limiter button twice a message on the instrument cluster stating " Speed limiter ready " and the AVSL feature will work correctly(equipped with NH2 Sales Code only).
11-003-202020-09-28. Service bulletin. STRUCTURE:FRAME AND MEMBERS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Drone, Pop, or Rattle Noise From The Passenger Side Floor Area This bulletin involves inspecting the under floor exhaust system and possibly replacing the exhaust pipe assembly and gaskets. Customers may comment on one or more of the following:A drone, pop, or rattle noise, emitting from the passenger floor area while driving usually over large bumps or uneven pavement.
S20080001132020-09-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
11-002-202020-07-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Missing Chrome Exhaust Tips This bulletin involves inspecting and replacing the muffler assembly if necessary. Customers may notice the chrome tips on the mufflers are missing when the Monroney label shows it should have them.
09-003-20 REV. C2020-06-22. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the vehicle is in limp home mode.
09-003-20 REV. B2020-05-26. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; STRUCTURE. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the following:The vehicle is in limp home mode.

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