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Service bulletins for the 2021 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.

1325 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
90044982022-10-17. Service bulletin. FUEL SYSTEM, GASOLINE. AIR LINE ASSEMBLY, Air Line Bundle Air Line 90 Degree Elbow PN 68526604A$ should be used to replace damaged elbows if that is the only damage to the bundle. Full air line bundles should not be ordered and have 90 degree elbows removed to replace damaged parts. The MOPAR kit PN 68526604A$ should be ordered instead.
90044932022-10-17. Service bulletin. FUEL SYSTEM, OTHER. RAIL, Fuel Prior to replacing this compoenent, please contact one of the following prior to disassembly: FCA Redacted Content If no response in 15 minutes, proceed with repair.
14009222022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Line Buzz Vibration Noise This bulletin involves isolating the fuel lines from the chassis. A customer may not notice a Buzz, Squeak or Rattle (BSR) noise coming from the front of the vehicle while driving at 1000 to 1500 RPM.
1400322REVA2022-09-26. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. 6.4L Fuel Injector High Flow Misfire This bulletin involves inspecting the Julian date on the fuel rails, fuel injectorsand possibly replacing fuel injectors. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. P0307 - Cylinder 7 Misfire. P0308 - Cylinder 8 Misfire. The customer may also describe: Rough idle or misfire while driving.
S18180000242022-09-26. Service bulletin. FUEL SYSTEM, DIESEL. Diesel Fuel Injector Cleaning Procedure
08050222022-09-26. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. The customer may experience one or more of the following: Fuel Level and Range (distance to empty) (DTE) will both increase after sleep cycle. Fuel Level % would increase when parked on a slope. Fuel gauge remains at full for 107 km (67 miles) vs. 73 km (45 miles). After fueling up with 68 liters (18.1 gallons) of fuel, the fuel gauge only will read around 1/4 tank and the low fuel lamp is still illuminated. After 10 minutes of driving, the gauge only read around 3/4 tank and the fuel lamp is still on. Refuel button is pressed for a short duration of 500ms or less at key off, then the fuel door is not opened. When the phone is charging on the Wireless Charging Pad Module (WCPM) and the fob is near, the customer opens then closes the liftgate, the IPC will pop up "key fob has left the vehicle" message. On vehicles equipped with Electronic Steering Lock (ESL), it requires 3 Start/Stop button presses to transition from key off to key run when the vehicle was in deep sleep.
90044982022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE. AIR LINE ASSEMBLY, Air Line Bundle Air Line 90 Degree Elbow PN 68526604A$ should be used to replace damaged elbows if that is the only damage to the bundle. Full air line bundles should not be ordered and have 90 degree elbows removed to replace damaged parts. The MOPAR kit PN 68526604A$ should be ordered instead.
90044932022-09-26. Service bulletin. FUEL SYSTEM, OTHER. RAIL, Fuel Prior to replacing this compoenent, please contact one of the following prior to disassembly: FCA Redacted Content If no response in 15 minutes, proceed with repair.
14-006-212022-08-22. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:INJECTORS. Incorrect Fuel Injectors This bulletin involves replacing all eight fuel injectors. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find of the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. The customer may also experience the following:Poor engine performance.
08050222022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT; STEERING; ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. The customer may experience one or more of the following: Fuel Level and Range (distance to empty) (DTE) will both increase after sleep cycle. Fuel Level % would increase when parked on a slope. Fuel gauge remains at full for 107 km (67 miles) vs. 73 km (45 miles). After fueling up with 68 liters (18.1 gallons) of fuel, the fuel gauge only will read around 1/4 tank and the low fuel lamp is still illuminated. After 10 minutes of driving, the gauge only read around 3/4 tank and the fuel lamp is still on. Refuel button is pressed for a short duration of 500ms or less at key off, then the fuel door is not opened. When the phone is charging on the Wireless Charging Pad Module (WCPM) and the fob is near, the customer opens then closes the liftgate, the IPC will pop up "key fob has left the vehicle" message. On vehicles equipped with Electronic Steering Lock (ESL), it requires 3 Start/Stop button presses to transition from key off to key run when the vehicle was in deep sleep.
90044982022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE. AIR LINE ASSEMBLY, Air Line Bundle Air Line 90 Degree Elbow PN 68526604A$ should be used to replace damaged elbows if that is the only damage to the bundle. Full air line bundles should not be ordered and have 90 degree elbows removed to replace damaged parts. The MOPAR kit PN 68526604A$ should be ordered instead.
90044932022-05-31. Service bulletin. FUEL SYSTEM, OTHER. RAIL, Fuel Prior to replacing this compoenent, please contact one of the following prior to disassembly: FCA Redacted Content If no response in 15 minutes, proceed with repair.
S2119000004 Rev.2021-12-13. Service bulletin. STEERING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; POWER TRAIN. Service Electric Steering Message, Loss Of Power Steering Assist For The Current Key Cycle, Vehicle Sets DTC C2217-00 ELECTRIC POWER STEERING MODULE INTERNAL
S1818000024 Rev.2021-05-24. Service bulletin. FUEL SYSTEM, GASOLINE. Diesel Fuel Injector Cleaning Procedure

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