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Service bulletins for the 2020 Jeep Grand 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.

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

By type

By component

By trouble code

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

Bulletins, newest first
9100833 REV12026-07-18. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector is fully installed. Then perform 3 keys cycles and listen to hear if the fuel pump is operational. If the fuel pump is heard that indicates that everything is operating correctly. If the pump is heard replacement is not necessary, any replacement will function in the same way.
1050382025-05-20. Service bulletin. FUEL/PROPULSION SYSTEM. TUBE - FUEL INJECTOR SUPPLY & GASKET - NONE
1050392025-05-16. Service bulletin. FUEL/PROPULSION SYSTEM. TUBE - FUEL INJECTOR SUPPLY & GASKET - NONE
1028122025-03-05. Service bulletin. FUEL/PROPULSION SYSTEM. RAIL - FUEL
91004942025-01-30. Service bulletin. FUEL/PROPULSION SYSTEM. FUEL PUMP/LEVEL UNIT MODULE For vehicles with Saddle Fuel Tanks, need to determine if there are any DTCs in wiTECH. Follow Service Diagnostics published prior to making any changes. Review any existing SOL or TSBs published for customer complaint issue. Only the Fuel Pump Module should be replaced if there are DTCs associated with the Fuel Level Sensor number 1. Only the Auxiliary Level Sender should be replaced if there are DTCs associated with the Fuel Level Sensor number 2. If there is a mixture of DTCs between the Fuel Pump Module and the Auxiliary Level Sensor, then investigate if there is a Jumper Harness or circuit issue between the Level Sender and the PCM. Verify fuel transfer between auxiliary tank and the primary tank by monitoring the auxiliary level sensor to verify it drops after driving.
14005232023-09-25. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Nozzle Premature Shut Off The customer may experience the following: ? Hard to fill fuel tank, premature fuel nozzle shut off. This bulletin involves inspecting and replacing the fuel filler tube
S16250000052022-10-17. Service bulletin. FUEL SYSTEM, DIESEL; AIR BAGS; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
S18180000242022-09-26. Service bulletin. FUEL SYSTEM, DIESEL. Diesel Fuel Injector Cleaning Procedure
90037302022-09-15. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; WHEELS. SI-eVT Transmission - China Variant & 9 inertia ring bolts For SI-eVT Transmission ONLY: Replace the nine (9) flywheel to damper bolts (68382486AA) when replacing the SI-eVT per TechConnect procedure. SI-eVTs built prior to January 11, 2019 had a 05192374AB level cooler. Using service SI-evT built after Jan 11 2019 with the 05192374AC level cooler requires new 68238385AB inlet hose and 68238386AC outlet hose. The service SI-eVT is shipped with a non-China wiring harness (68241331AC). China market replacement must replace wiring harness with 68368596AA. The China variant 68368596AA wiring harness has an interlock to the electrical charge door.
S1818000024 Rev.2021-05-24. Service bulletin. FUEL SYSTEM, GASOLINE. Diesel Fuel Injector Cleaning Procedure
S1625000005 Rev.2020-12-28. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
S1625000005 Rev.2020-12-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
18-039-202020-05-26. Service bulletin. FUEL SYSTEM, GASOLINE. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season
18-035-202020-05-26. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Fuel Vapor Hose Not Connected This bulletin involves inspecting and connecting a loose fuel vapor hose. 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) has been set:P0441 - EVAP Purge System Performance. P0456 - EVAP System Small Leak. P0455 - EVAP System Large Leak. Customer or technician may also experience the following:Fuel odor smell in the left rear wheel opening.
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK

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