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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: Electrical system are shown. Show all

Bulletins, newest first
S21080001192022-10-17. Service bulletin. ELECTRICAL SYSTEM. Apple CarPlay Malfunctioning, Does Not Launch Or Is Cutting In An Out On Wired And Wireless Connection, Radio Stuck When IPhone Is Connected
S21080001122022-10-17. Service bulletin. ELECTRICAL SYSTEM. RFHUB Sets Stored DTC - U1517-87 Body Controller Secret Code - Missing Message Intermittently When The Vehicle Is Remote Started
S21080001092022-10-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Remote Key Fobs Only Work In Close Range
08088212022-10-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following:Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
08074212022-10-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. UGQ, UGV, UJV and UJQ Radio Enhancements This bulletin involves inspecting the software level to see if the radio needs oneor two USB flash drive(s) to update the radio software level to 39.2. Customers may experience one or more of the following: Voice recognition (VR) fails while road names are written in Catalan. After the update to software level MR-28.31, the Amperometer inside Jeepskills shows values too high. The radio may lose some or all programmed presets. Volume blocked/uncontrollable. Heating Steering wheel and seat SK greyed out. Eco Drive trips saved issue. Radio may reset, turn itself off and then back on again. Radio display screen lock up. Park assist chime will continue to chime after the vehicle is turned off. Frequent pop-ups during startup saying device not connected - Uconnect LIVE. Radio will display the incorrect speed limit in kph when approaching a roadspeed camera(2018 WK Only). Uconnect Live Apps restricted to only MyCar, ecoDrive and Jeep Skills(2018 WK Only). Russian language missing in the radio setting menu(2018 WK with UGQ Only). If the radio is set for Russian language, UConnect displays unknown symbolson the ?Off Road Page?(2018 WK with UGQ Only). Could not disable the feature for the heated seat and heated steering wheelturned on automatically at startup(2018 WK with UGQ Only). In addition the following enhancements are included: Navigation improvements. Bluetooth improvements. VR improvements. Russian language enhancements (2018 WK with UGQ Only)
08075212022-10-17. Service bulletin. ELECTRICAL SYSTEM. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The following software enhancement is available: Amplifier update to eliminate static noise from the instrument panel mounted speakers.
S21080001312022-10-17. Service bulletin. ELECTRICAL SYSTEM. One Or More Passive Entry Antenna General Electric Failure DTC?s Found In The RFH
S21080001292022-10-17. Service bulletin. PARKING BRAKE; ELECTRICAL SYSTEM. The Ignition State Does Not Change When The Start/Stop Button Is Pressed
S21080001252022-10-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Of Uconnect Box Is Temporarily Low Popup Message
S20080000102022-10-17. Service bulletin. ELECTRICAL SYSTEM. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
S21080001092022-10-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Remote Key Fobs Only Work In Close Range
08043222022-10-17. Service bulletin. ELECTRICAL SYSTEM. This bulletin involves reprogramming the HVAC module with the latest available software.
08069222022-10-17. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: Smart Lighting Module Left (SLML) and Smart Lighting Module Right (SLMR) Updates This bulletin involves reprogramming the SLML and SLMR with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B2834-00 - Right Headlamp Assembly Performance. B2835-00 - Left Headlamp Assembly Performance. Customers may experience one or more of the following: Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on. ?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
18061222022-10-17. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. Incorrectly Assembled Purge Flow Tube Inside Tube Elbow This bulletin involves inspecting and if needed reposition the purge tube inside the tube elbow. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes (DTCs). P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch ?A? Stuck Closed.
18052222022-10-17. Service bulletin. 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).
08050222022-10-17. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. 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.
0804322REVB2022-10-17. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; VEHICLE SPEED CONTROL. 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
S21080001772022-10-17. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. The Odometer Is Flashing / Blinking
S22080000722022-10-17. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM. RKE Does Not Work Or Has Short Range, TPM Is Not Reading Tire Pressures Or Remote Start Is Inoperative
S22230000172022-10-17. Service bulletin. ELECTRICAL SYSTEM. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode
S21080002052022-10-17. Service bulletin. TRAILER HITCHES; ELECTRICAL SYSTEM. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
08023222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Electronic Shift Module (ESM) Replacement This bulletin involves replacing the ESM. Customers may experience the following:Rotary shifter requires additional turns to get to desired gear. Shifter needs to be rotated through multiple additional detents to attain desired gear position.The current gear is always correctly displayed.
08022222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM with the latest available software. Upon further investigation the technician may find the following stored Diagnostic Trouble Code (DTC): B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may also experience one or more of the following:Memory seat functionality is inoperative. Memory recall functionality is inoperative. Memory saving functionality to profiles 1 or 2 is inoperative. Easy entry&exit functionality is inoperative.
08020222022-10-17. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; BACK OVER PREVENTION. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B143B-12 - ANC Microphone 1-Circuit Short To Battery. B143C-12 - ANC Microphone 2-Circuit Short To Battery. B143E-12 - ANC Microphone 3-Circuit Short To Battery. B143F-12 - ANC Microphone 4-Circuit Short To Battery.The DTCs are wrongly set and do not affect Active Noise Cancelation (ANC) performance.
08021222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Power Liftgate Module (PLGM) Replacement Due to a Battery Drain Issue This bulletin involves replacing the PLGM. Customers may experience one of the following:Vehicle will not start. It will start once it is jump started. Battery is dead.

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