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Service bulletins for the 2022 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.

1166 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
91003442024-06-04. Service bulletin. POWER TRAIN. "VALVE BODY & CONTROL UNIT Transmission Ensure clutch pressure check has been completed and documented prior to valve body replacement."
0800224A2024-03-18. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Updates A moaning, grinding, or groaning type noise while driving between 80 - 112 kph (50 - 70 mph). Noise is not heard when the front axle disconnect is disengaged. NOTE: This noise happens more as the ambient temperatures become less than 5 ? (41 ?). This bulletin involves reprogramming the DTCM with the latest available software.
08002242024-03-18. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Updates A moaning, grinding, or groaning type noise while driving between 80 - 112 kph (50 - 70 mph). Noise is not heard when the front axle disconnect is disengaged. NOTE: **This noise happens more as the ambient temperatures become less than 5 ? (41 ?).** This bulletin involves reprogramming the DTCM with the latest available software.
90044872024-03-18. Service bulletin. POWER TRAIN. Transmission Oil Pan and Gasket Assembly Deactivated on 10/21/2022 per requestor. For Transmission oil leaks, need to identify exactly where the leak is coming from, please check the transmission case at the Trans Oil Heater (TOH) connection on the Grand Cherokee's. Also check the Trans Valve Body at the TCM harness connection. ~ A black light can be used to identify trans fluid vs. other fluids. ~ Contact FCA REDACTED CONTENT prior to replacing these components. ~ If no response in 15 minutes, proceed with repair. Please email pictures of leak locations to FCA REDACTED CONTENT
21028232024-01-16. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates Customer may experience the following: ? Shifts rough occasionally when coming down to a stop. ? Shifts rough occasionally when accelerating. ? Shifts rough when transitioning from EV to Hybrid operation on low State of Charge (SoC). This bulletin involves reprogramming the TCM with the latest available software.
18013232024-01-16. Service bulletin. SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION; STEERING; VEHICLE SPEED CONTROL; FUEL SYSTEM, GASOLINE; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers or technician may experience one or more of the following: ? **The engine oil life displayed on Instrument Panel Cluster (IPC) drops down too fast when the engine oil dilution reaches high level without the ability to recover. ? Incorrect reporting of fuel tank high pressure sensor value on wiTECH and Freeze Frame. ? The fuel door will get locked in the event of a leak failure.** ? Engine must be started twice to achieve drive ready (at low temperatures around -30°C, -22°F) when the vehicle was entered and started quickly. ? ?Performance Limited, Service Fuel System? message displayed while driving. ? Unable to enter electric mode driving while Fuel Oil Refresh Mode (FORM) is active. This bulletin involves reprogramming the PCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update: ? Transmission Control Module (TCM). ? Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM) module.
08031232024-01-16. Service bulletin. FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set in the Hybrid Control Processor (HCP) module: ? P16F0-00 - SPI Comm Hardware Fault. Customer may experience one or more of the following: ? Unexpected engine start during a crank (customer is expecting EV mode but the gas engine starts).** ? ?Service Charging System? popup when keying the vehicle to off while still in drive. ? Engine must be started twice to achieve drive ready (at low temperatures around 30°C, 22°F) when the vehicle was entered and started quickly. ? Radiator fan cycling while in park and with vehicle operational. May be described as ?breathing? sound from the front of the vehicle. ? "Performance Limited, Service Fuel System? popup while driving. ? Radiator fan spinning at max speed while charging. The vehicle is providing max cooling when the charging module reaches high temperature. May be described as a loud sound that disappears when the vehicle is unplugged. ? Poor cabin heat in electric mode. ? Temporary loss of cabin cooling (<5s) while driving in electric mode. ? State of Charge (SoC) dropping lower than expected while in eSave Battery Charge mode. ? Turtle mode while refueling in hot ambient. ? Unable to enter electric mode driving while FORM is active. This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. NOTE: Additional module flashes are required for this update to be effective. The following modules are all to be updated along with this HCP and AHCP update: ? Powertrain Control Module (PCM). ? Transmission Control Module (TCM).
S23090000132024-01-16. Service bulletin. POWER TRAIN. Verifying Camshaft Diagnosis
S23210000092024-01-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Malfunction Indicator Lamp (MIL) Illuminated. Active Diagnostic Trouble Code (DTC) P1DB7-00 ? Torque Converter Clutch Performance, Set.
18013232024-01-08. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers may experience one or more of the following: ? Engine must be started twice to achieve drive ready (at low temperatures around -30°C, -22°F) when the vehicle was entered and started quickly. ??Performance Limited, Service Fuel System? popup while driving. ? Unable to enter electric mode driving while Fuel Oil Refresh Mode (FORM) is active. This bulletin involves reprogramming the PCM with the latest available software NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update: ? Transmission Control Module (TCM). ? Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM) module.
S23210000092024-01-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). MIL On with TCM P1DB7 Active
S22210000032024-01-08. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S23210000052024-01-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Fluid Leak From Under The Vehicle.
91002202024-01-08. Service bulletin. POWER TRAIN. Pan and Filter, Transmission Oil For WL & JL PHEV transmission leaks inspect for leaks through the transmission case prior to ordering a gasket. Leaks can be caused by possible porosity of transmission case or Oil Cooler Lines.
S23190000022024-01-02. Service bulletin. AIR BAGS; POWER TRAIN; STEERING; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. Service Electric Power Steering Message On Cluster. Electric Power Steering Light On After Recent Service.
91002202023-12-18. Service bulletin. POWER TRAIN. Pan and Filter, Transmission Oil For WL & JL PHEV transmission leaks inspect for leaks through the transmission case prior to ordering a gasket. Leaks can be caused by possible porosity of transmission case or Oil Cooler Lines. Refer to the latest version of Star Online Publication S2321000005.
18013232023-10-30. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers may experience one or more of the following: ? Engine must be started twice to achieve drive ready (at low temperatures around -30°C, -22°F) when the vehicle was entered and started quickly. ??Performance Limited, Service Fuel System? popup while driving. ? Unable to enter electric mode driving while Fuel Oil Refresh Mode (FORM) is active. This bulletin involves reprogramming the PCM with the latest available software NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update: ? Transmission Control Module (TCM). ? Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM) module.
S23210000092023-10-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. MIL On with TCM P1DB7 Active
S22210000032023-10-30. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S23210000052023-10-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. Transmission Fluid Leak From Under The Vehicle.
91002202023-10-30. Service bulletin. POWER TRAIN. Pan and Filter, Transmission Oil For WL & JL PHEV transmission leaks inspect for leaks through the transmission case prior to ordering a gasket. Leaks can be caused by possible porosity of transmission case or Oil Cooler Lines.
18013232023-10-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers may experience one or more of the following: ? **The engine oil life displayed on Instrument Panel Cluster (IPC) drops down too fast when the engine oil dilution reaches high level without the ability to recover. ? Incorrect reporting of fuel tank high pressure sensor value on wiTECH and Freeze Frame. ? The fuel door will get locked in the event of a leak failure.** ? Engine must be started twice to achieve drive ready (at low temperatures around -30°C, -22°F) when the vehicle was entered and started quickly. ? ?Performance Limited, Service Fuel System? popup while driving. ? Unable to enter electric mode driving while Fuel Oil Refresh Mode (FORM) is active. This bulletin involves reprogramming the PCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update: ? Transmission Control Module (TCM). ? Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM) module.
09012232023-09-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; POWER TRAIN. Oil Leak from Turbo Oil Return Tube Customers may experience the following: ? Oil leak from turbo oil return tube. This bulletin involves inspecting and if needed replacing the turbo oil return tube.
0901223a2023-09-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; POWER TRAIN. Oil Leak from Turbo Oil Return Tube Customers may experience the following: ? Oil leak from turbo oil return tube. This bulletin involves inspecting and if needed replacing the turbo oil return tube.
21016232023-08-21. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates Customer may experience the following: ? Vehicle shifts excessively between gears 1 & 2 in Selec-Speed Control position. This bulletin involves reprogramming the TCM with the latest available software.

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