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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

Bulletins, newest first
0500322REVA2022-12-19. Service bulletin. FUEL SYSTEM, GASOLINE. Brake Lines Over-Torqued This bulletin involves inspecting and possibly replacing the front brake lines from the Brake System Control Module(BSCM) to both the front brake hose junctions. Customers may experience the following: Brake fluid leak. This minor leak is coming from the front brake line unions.
S22240000052022-12-19. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; UNKNOWN OR OTHER. Front HVAC Vents Default To Defrost, Driver Side Only Blows Cold.
S22020000042022-12-19. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. WL Air Suspension Control Module ASCM Service flash is for new part replacements ONLY
S2123000067RevB2022-12-19. Service bulletin. BACK OVER PREVENTION. Vehicle Will Not Crank, Battery Drained OR Vehicle Alarm Sounds For No Obvious Reason. Published document indicates an incorrect 2021 CY.
S2108000242RevA2022-12-19. Service bulletin. EQUIPMENT. Wireless Android Auto Or Apple CarPlay Intermittent Operation From Interference
S22080000892022-12-19. Service bulletin. AIR BAGS. Airbag Light On And/Or Passenger Seat Belt Unbuckled Message Displayed. Driver And Passenger Seat Belt Connector Not Fully Seated
S2123000023RevB2022-12-19. Service bulletin. VEHICLE SPEED CONTROL; SEATS. The Liftgate Latch Sticks, Will Not Open, Close, Or Hard To Close Manually
S22090000042022-12-19. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
S22080000862022-12-19. Service bulletin. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER. Driver Heated Seat Inoperative, DTC B1E99 Front Left Heater Circuit
S22230000302022-12-19. Service bulletin. EXTERIOR LIGHTING; VISIBILITY. Blind Spot Inoperative With Mirror Indicator On. C00C4-97 And Or C00C5-76 Wrong Mounting Position DTCs Set.
90045262022-12-19. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. COMPRESSOR, Air Conditioning HVAC not blowing cold air, or does not work as designed. Please ensure the HVAC control module is at the latest software level prior to replacing the compressor as per Star Online publication S2224000003. Any questions, or concerns please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair. Software is available for 21MY per TSB 08-043-22 Rev. B and for 22MY per CSN Z33.
90045162022-12-19. Service bulletin. ELECTRICAL SYSTEM:SEAT HEATER:MAT. ELEMENT, Heated Seat, Seat Back (2nd row) Before deciding to replace the heater mat, please check heater mat resistances at the pigtail: - Between pin 1-4: (3.07 to 3.75 Ohms) - Between pin 2-3: (9kOhms - 11 kOhm) Also, check heater mat connection to seat harness. For WL (Grand Cherokee L and Grand Cherokee) equipped with this heater mat that require replacement. DO NOT tear off the heater mat from the foam cushion, instead the whole foam-heater mat assembly must be replaced. Please send back heater mat to Quality team at Stellantis. In case of questions please contact: FCA Redacted Content
90045082022-12-19. Service bulletin. ELECTRICAL SYSTEM:SEAT HEATER:MAT. ELEMENT, Heated Seat, Seat Cushion Before deciding to replace the heater mat, please check heater mat resistances at the pigtail: - Between pin 1-4: (2.03 to 2.49 Ohms) - Between pin 2-3: (9kOhms - 11 kOhm) Also, check heater mat connection to seat harness. For WL (Grand Cherokee L and Grand Cherokee) equipped with this heater mat that require replacement. DO NOT tear off the heater mat from the foam cushion, instead the whole foam-heater mat assembly must be replaced. Please send back heater mat to Quality team at Stellantis. In case of questions please contact: FCA Redacted Content
90044212022-12-19. Service bulletin. ELECTRICAL SYSTEM:SEAT HEATER:MAT. ELEMENT, Heated Seat Before deciding to replace the heater mat, please check heater mat resistances at the pigtail: - Between pin 1-4: (1.63 to 1.99 Ohms) - Between pin 2-3: (9kOhms - 11 kOhm) Also, check heater mat connection to seat harness. For WL (Grand Cherokee L and Grand Cherokee) equipped with this heater mat that require replacement. DO NOT tear off the heater mat from the foam cushion, instead the whole foam-heater mat assembly must be replaced. Please send back heater mat to Quality team at Stellantis. In case of questions please contact: FCA Redacted Content
0803522REVB2022-12-12. Service bulletin. STEERING. Flash: Electric Power Steering (EPS) Module Updates This bulletin involves updating the EPS module with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following (DTC): C1592-00 - Electronic Power Steering Motor Circuit. C2217-00 - Electric Power Steering Module Internal. C1593-00 - Steering Torque Sensor Circuit. In addition the customer may notice one or more of the following:Lack of steering assist. Electric Power Steering (EPS) MIL illuminated.
0805022REVB2022-12-12. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; STEERING. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. Customer may describe various LIN related functions (steering wheel, center stack, terrain or 4WD) switches and/or certain interior lamps not working. Upon further inspection the technician may also observe the followingDTCs may have set without a MIL: U1223-00 - Lost Communication with Wireless Charging Pad Module. U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. U1207-00 - Lost Communication With Terrain Switch Bank Module. U1191-00 - Lost Communication with Switch Bank Module 2. U1153-00 - Lost Communication With Windshield Wiper Smart Module. U114F-00 - Lost Communication with LIN Overhead Console. U114D-87 - Lost Communication with Hands Free Liftgate Module-Missing Message. U113B-00 - Lost Communication With Switch Bank Module. U112D-00 - Lost Communication With EVIC Steering Wheel Switches. U1125-00 - Lost Communication With LIN ECU 5- (Ride Height Switch Module). U1123-00 - Lost Communication With LIN ECU 3- (Switch Bank Module Rear Right). U1122-00 - Lost Communication With LIN ECU 2- (Switch Bank Module Rear Left). U1008-00 - LIN 1 Bus Steering Column Control Module Electrical Diagnostic. U0231-00 - Lost Communication With Rain Sensing Module. In addition, 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
08194222022-12-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio VIN Lock This bulletin involves performing a VIN Lock procedure. Customers may describe one or more of the following: Connected features are inoperable. Radio not receiving Firmware Over The Air (FOTA) updates.
21031222022-12-12. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). Transfer Case Replacement This bulletin involves replacing the transfer case assembly for Diagnostic Trouble Code (DTC) C14A1-74. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find the following DTC has been set: C14A1-74 - Unintended Actuator Shaft Movement Detected-Actuator Slipping.
08183222022-12-12. Service bulletin. ELECTRICAL SYSTEM. Flash: Telematics Box Module (TBM) Updates This bulletin involves updating the TBM with the latest software. Customers may experience the following: Message displayed on the radio screen, "Uconnect Box requires service. Pleasevisit an authorized dealer.", with no active or stored Diagnostic Trouble Codes (DTCs) set by TBM or Occupant Restraint Controller (ORC).Error MessageUconnect box ?requires service? message can be triggered by different reasons. For an issueon a new vehicle recently switched to customer mode, please follow the New Vehicle Preparation procedure to resolve Uconnect box requireservice message. Always fix TBM / ORC DTC issues first. If the issue could not be fixed, then reflash the TBM software. Mobile app remote start or remote lock/unlock works improperly. Mobile apps in vehicle data missing: fuel level, tire pressure, odometerand oil life. Vehicle Health Report data missing in email. Remote operation inoperative. Wi-Fi unavailable. Issues logging in and enabling Wi-Fi. SOS calls unavailable.
09012222022-12-12. Service bulletin. ENGINE AND ENGINE COOLING. Spark Knock/Engine Symptoms This bulletin involves cleaning the piston heads and cylinder head combustion chambersto resolve a spark knock condition being caused by oil intrusion through the PCV system. The customer may describe a knocking or pinging noise coming from the engine upon acceleration.
S228A0000282022-12-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw
S22190000052022-12-12. Service bulletin. POWER TRAIN; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; STEERING. Dielectric Grease In Electric Power Steering (EPS) Connectors.
S22230000772022-12-12. Service bulletin. SERVICE BRAKES; BACK OVER PREVENTION. Check Engine Lamp On. C053D Brake Pressure Sensor 1 Performance Stored In Powertrain Control Module.
S2123000069RevA2022-12-12. Service bulletin. STRUCTURE:BODY:HOOD. Hood Flutter Movement Or Bounce While Driving
S2208000138RevA2022-12-12. Service bulletin. SERVICE BRAKES. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed

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