2020 Jeep Grand Cherokee Technical Service Bulletins

537 technical service bulletins (TSBs) are on record for the 2020 Jeep Grand Cherokee. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10234420Feb 14, 2023Electrical system. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
• 10234378Feb 14, 2023Engine cooling. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring…
• 10248014Feb 10, 2023Back-over prevention (rear camera). Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software…
• 10234487Feb 10, 2023Equipment. Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software…
• 10247995Feb 3, 2023Body and structure. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.
• 10234468Feb 3, 2023Body and structure. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.
• 10231815Jan 31, 2023Back-over prevention (rear camera). Radio Over The Air JR34.3 Updating to JR34.32.Software Version Customers may experience one or more of the following: Not be able to use Mobile Wi-Fi upon start up. Hotspot gives a no Internet connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a…
• 10231792Jan 24, 2023Back-over prevention (rear camera). Radio Over The Air Updating to 40.12 Software Version Mobile Wi-Fi inoperative upon start up. Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be…
• 10231711Jan 6, 2023Equipment. Washer Light On And Will Not Turn Off After Adding Washer Solvent.
• 10229810Dec 15, 2022Body and structure. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: Digital imaging pre authorization is required for Smart Warranty Base dealers or Pre Approval is required from Regional Office depending on market.
• 10230541Nov 24, 2022Equipment, Electrical system. Radio Over The Air Updates to JR34.3/JR34.4 and JR34.41
• 10230441Nov 19, 2022Equipment, Other or unknown. Updated Technical Service Bulletin (TSB) Format
• 10230559Nov 10, 2022Transmission and drivetrain, Electrical system. Transmission Control Module (TCM) Updates
• 10227721Oct 26, 2022Equipment, Electrical system. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw
• 10227712Oct 13, 2022Brakes. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 10227736Oct 4, 2022Equipment. Radio Enhancements Software Level 1848.34 This bulletin involves updating the radio software level to 1848.34. Customers may experience one or more of the following:Radio display screen flickers. Clock loses 6 seconds per day (JL with 5 inch screen). Ghost Touch issue, features, modes and App?s change without drivers input (does not affect rearview camera). Wireless connectivity pop noise. Pop message ?SXM Wait?…
• 10227734Oct 1, 2022Engine 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.
• 10225369Aug 30, 2022Equipment. Ambient Temperature Sensor Servicing.
• 10225232Aug 30, 2022Equipment. Ambient Temperature Sensor Servicing.
• 10229513Aug 29, 2022Transmission and drivetrain. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
• 10229572Aug 19, 2022Body and structure. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
• 10225424Aug 19, 2022Body and structure. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
• 10225287Aug 19, 2022Body and structure, Other or unknown. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
• 10229556Aug 11, 2022Electrical system, Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition:Poor coast down quality (bump/clunk) at approximately 16-32 kph (10-20 mph) range in manual mode.
• 10225408Aug 11, 2022Equipment, Transmission and drivetrain, Electrical system. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition:Poor coast down quality (bump/clunk) at approximately 16-32 kph (10-20 mph) range in manual mode.
• 10225271Aug 11, 2022Transmission and drivetrain, Electrical system, Equipment. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition:Poor coast down quality (bump/clunk) at approximately 16-32 kph (10-20 mph) range in manual mode.
• 10230502Aug 3, 2022Brakes, Other or unknown. Mopar trailer brake controller.
• 10229437Aug 3, 2022Other or unknown. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
• 10225300Aug 3, 2022Exterior lighting, Other or unknown. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
• 10225163Aug 3, 2022Other or unknown. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
• 10230302Jul 13, 2022Electrical system. No Start, Start Stop Inoperative, Cluster Message Service Start Stop System
• 10230301Jul 13, 2022Electrical system, Tires. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 10223766Jul 13, 2022Electrical system. No Start, Start Stop Inoperative, Cluster Message Service Start Stop System
• 10223765Jul 13, 2022Electrical system. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 10230333Jul 9, 2022Transmission and drivetrain, Electrical system. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. 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: P0606 - Internal Control Processor. Customers my also comment on the following: Vehicle in Limp Mode with…
• 10223797Jul 9, 2022Transmission and drivetrain, Electrical system. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. 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: P0606 - Internal Control Processor. Customers my also comment on the following: Vehicle in Limp Mode with…
• 10230326Jul 2, 2022Electrical system, Transmission and drivetrain. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. 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: P0606 - Internal Control Processor. Customers my also comment on the following:Vehicle in Limp Mode with…
• 10223790Jul 2, 2022Transmission and drivetrain, Electrical system. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. 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: P0606 - Internal Control Processor. Customers my also comment on the following:Vehicle in Limp Mode with…
• 10221377Jun 29, 2022Equipment. Overhead Console If the sunglasses holder door in the overhead console will not stay closed, inspect the Latch for damage. The Latch is now released for service under part number 68599540A$.
• 10221446Jun 28, 2022Back-over prevention (rear camera). Panasonic VP4R Wi-Fi New Enrollment Pause
• 10221500Jun 22, 2022Exterior lighting. Headlamp Condensation Clearing Procedure This bulletin is to communicate the procedure for headlamp condensation clearing.
• 10221376Jun 22, 2022Brakes, Electrical system. Module, Anti-lock brake system / Hydraulic Control Unit Some 2018-19 WD/WK vehicles have the brake lights staying on without depressing the brake pedal as an affect of DTC C1093-62 occurring or due to an internal failure in the HCU/ABS Module please contact FCA Redacted Content. If there is no response within 15 minutes of initiating your call, please - Obtain a vehicle scan report with the diagnostic environmental…
• 10221368Jun 15, 2022Brakes, Electrical system. Module, Anti-lock brake system / Hydraulic Control Unit Some 2018-19 WD/WK vehicles have the brake lights staying on without depressing the brake pedal as an affect of DTC C1093-62 occurring or due to an internal failure in the HCU/ABS Module please contact FCA Redacted Content. If there is no response within 15 minutes of initiating your call, please - Obtain a vehicle scan report with the diagnostic environmental…
• 10221425Jun 10, 2022Equipment. Panasonic VP4R Wi-Fi New Enrollment Pause
• 10221363Jun 9, 2022Electrical system, Brakes. Module, Anti-lock brake system / Hydraulic Control Unit Some 2018-19 WD/WK vehicles have the brake lights staying on without depressing the brake pedal as an affect of DTC C1093-62 occurring or due to an internal failure in the HCU/ABS Module please contact FCA Redacted Content. If there is no response within 15 minutes of initiating your call, please continue with your normal diagnostic process.
• 10214578May 21, 2022Equipment, Electrical system. Panasonic VP4R Wi-Fi New Enrollment Pause
• 10214621May 19, 2022Electrical system, Equipment. Flash: Instrument Panel Cluster (IPC) Updates This bulletin involves reprogramming the IPC with the latest available software. Customers may comment on the following:Customer cannot toggle between MPH and KPH speedometer.
• 10227986Apr 2, 2022Seats, Vehicle speed control. The Liftgate Latch Sticks, Will Not Open, Close, Or Hard To Close Manually
• 10227983Apr 2, 2022Equipment, 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.
• 10229162Mar 23, 2022Equipment. Glove Box Hard To Close This bulletin involves replacing the glove box bumpers. Customers may comment on the following: The glove box is hard to close.

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