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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: Engine are shown. Show all

Bulletins, newest first
S22080000642022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; AIR BAGS. Check Engine Light Is On. P0480 Cooling Fan 1 Control Circuit/Open
S22090000022022-09-26. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S21080000422022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. MIL Malfunction Indicator Lamp On, DTC P0198 Oil Temperature Sensor Circuit High
S21240000132022-09-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. Vehicle Sets DTC P0480 Cooling Fan 1 Control Circuit
S21080001922022-09-15. Service bulletin. ENGINE. MIL Lamp On, Vehicles Engine Runs Rough, Poor Performance
04-001-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
11-002-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; STRUCTURE. Incorrect Exhaust Body Heat Shields This bulletin involves inspecting the front right, left and mid muffler center exhaust heat shields underneath the vehicle for rivets and possibly replacing the heat shields if no rivets are found. Some vehicles were built with incorrect exhaust body heat shields that did not have rivets.There will not be a customer symptom/condition for this issue.
11-003-212022-08-22. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT; STRUCTURE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Flutter or Rattle Noise From Under the Vehicle - Exhaust Body Heat Shields This bulletin involves replacing all four exhaust heat shields specified in this bulletin. The customer may describe a rattle from underneath the vehicle.
S21080001922022-08-22. Service bulletin. ENGINE. MIL Lamp On, Vehicles Engine Runs Rough, Poor Performance
S21020000052022-08-22. Service bulletin. ENGINE. Slower Than Normal Raising Time And Or Failure To Achieve Desired Ride Height And OR Difference In Front Ride Height
S2108000024 Rev.2022-07-18. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Crank No Start Condition, No DTC?s
S21080000212022-07-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING. Uconnect Connected Services Remote Start Inoperative
S1709000010 Rev.2022-07-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear (roller failure) on one or more cam lobes and that camshaft/lifter replacement is necessary.
S21080002092022-06-27. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. Multiple Electrical Concerns, Reduced Cooling Fan Speed, Start Stop Does Not Work Intermittently, EPS Steering Warning Message, Check Engine Lamp On, Discharged Battery, No Start, Drained AUX Battery
S22240000072022-06-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; EQUIPMENT. Vehicle Center Console Is Warm During HVAC Operation
S21230000672022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Vehicle Will Not Crank, Battery Drained OR Vehicle Alarm Sounds For No Obvious Reason.
90045272022-06-27. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. Valve Cover Gasket If you are experiencing a right valve cover leak and plan on replacing only the gasket, the customer may later return for an oil leak. Engineering has updated the skirt height of the valve cover to address oil leaks. Replace the valve cover (part # 04893800AI includes valve cover gasket) to ensure proper repair. Please call FCA Redacted Content if further questions or help is needed with parts retention returns on valve cover assemblies
S18090000072022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Customer Complaint May Include Engine Oil Leak Or Consumption
S20080000232022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. No Crank No Start, Click No Start
S21080001492022-05-31. Service bulletin. ENGINE. DTC U0159-00, U015C-00, U0102-00, and/or U1070-00 Set In The BSCM
754902022-05-31. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. CAMSHAFT - INTAKE
752672022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ENGINE AND ENGINE COOLING:COOLING SYSTEM. TUBE - TURBO WATER FEED
752272022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING. MUFFLER AND TAILPIPE ? EXHAUST
18052222022-05-31. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customer may experience one or more of the following: Rough running idle after engine start and hesitation, or stumble feel during a cold engine drive away. Shift quality related to AC clutch cycling - bump felt during transmission shift if the AC turns on, or off, at the exact same time a shift happens. Customer or technician may also experience the following:Generic Scan Tool connection reports Emissions as OBDII, should be reporting as Emissions as OBDI for Export(APAC, EMEA and LATAM only).
0804322 REVB2022-05-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Flash: Heating Ventilation and Air Conditioning (HVAC) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following: High pitch whistle coming from the dash when the blower motor is turned on.High pitch whistle originated from the defroster door when the HVAC unit in either Hi-Level (panel and defrost) or Bi-Level (panel and floor) modes. May be worsened when running the front airflow at blower bar 1-2 and rear airflow at blower bar 5-7

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