2021 Jeep Grand Cherokee Technical Service Bulletins

1,326 technical service bulletins (TSBs) are on record for the 2021 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.

• 10218518Aug 27, 2021Equipment, Electrical system. High Beams Do Not Turn On While The Headlamp Switch Is Set To The Auto Lights On Position, High Beam Headlamps Do Operate With Switch Set To Manual Lights On Low Beam Position
• 10219987Aug 26, 2021Equipment. Radio Inoperative, Black Or Blank Screen
• 10218526Aug 26, 2021Equipment. Radio Inoperative, Black Or Blank Screen
• 10219983Aug 25, 2021Electrical system, Other or unknown. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
• 10219982Aug 25, 2021Equipment. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
• 10219977Aug 25, 2021Electrical system. SOS Call Unavailable Message Displayed At Key On
• 10218588Aug 25, 2021Transmission and drivetrain. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM 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: C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the…
• 10218522Aug 25, 2021Other or unknown, Electrical system. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
• 10218521Aug 25, 2021Equipment. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
• 10218516Aug 25, 2021Back-over prevention (rear camera). SOS Call Unavailable Message Displayed At Key On
• 10219978Aug 24, 2021Visibility (wipers, defrost, mirrors). Customer Indicates No HVAC Airflow To The 3rd Row
• 10218517Aug 24, 2021Equipment. Customer Indicates No HVAC Airflow To The 3rd Row
• 10218584Aug 20, 2021Engine 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.
• 10218580Aug 19, 2021Equipment, Seats. Third Row Headrest Fails To Fold Down This bulletin involves inspecting both the left and right third row headrests and if necessary, re-seating the horseshoe cable clip(s). The customer may describe the following: Both the left and or right, third row headrest(s) will not fold and the load floor cannot be used.The headrests will not fold when pressing the radio screen soft button, or using the manual fold handle.
• 10218545Aug 19, 2021Steering. Customer Satisfaction Notification Y51 Abnormal Steering
• 10218542Aug 19, 2021Equipment. Urgent: 2021 (WL) Jeep Grand Cherokee RRT #21-121
• 10219972Aug 18, 2021Electrical system, Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation, Set After Performing A Routine Module Software Update.
• 10219924Aug 18, 2021Suspension. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the DTC is stored and able to be cleared, component replacement is not necessary. Please follow the service procedures to attempt to clear any active fault(s) which includes module hard reset, full CAN power down/sleep, or DTC clear in WiTech. Please contact FCA Redacted Content prior to any ASCM replacement at FCA Redacted Content…
• 10219923Aug 18, 2021Transmission and drivetrain. MODULE, Transfer Case Control (DTCM) If there are any ECU's being updated for Software updates this will cause an interuption in CAN communication which in combined with a shortened key cycle (CAN communication is still alive) can cause the C1472-92 DTCM Fault. If Vehicle sets C1472-92 verify the diagnostics by the following: (1.) Take Vehicle Scan to verify DTC is Active/Stored. Send to Tech Advisor to record DTC…
• 10218511Aug 18, 2021Electrical system, Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation, Set After Performing A Routine Module Software Update.
• 10218507Aug 18, 2021Equipment. Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
• 10218445Aug 18, 2021Electrical system, Transmission and drivetrain. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the DTC is stored and able to be cleared, component replacement is not necessary. Please follow the service procedures to attempt to clear any active fault(s) which includes module hard reset, full CAN power down/sleep, or DTC clear in WiTech. Please contact FCA Redacted Content prior to any ASCM replacement at FCA Redacted Content…
• 10218444Aug 18, 2021Brakes, Electrical system. MODULE, Transfer Case Control (DTCM) If there are any ECU's being updated for Software updates this will cause an interuption in CAN communication which in combined with a shortened key cycle (CAN communication is still alive) can cause the C1472-92 DTCM Fault. If Vehicle sets C1472-92 verify the diagnostics by the following: (1.) Take Vehicle Scan to verify DTC is Active/Stored. Send to Tech Advisor to record DTC…
• 10218440Aug 18, 2021Other or unknown. 2021 Mopar WL NAFTA trailer tow wiring kit In the vehicle reconfigure process on page 3 of I sheet K6863106 the incorrect sales code (AHC) is listed and needs to be replaced (with XF2).
• 10219963Aug 16, 2021Suspension, Electronic stability control. Service Air Suspension Displayed On EVIC. Air Suspension Inoperative C15AD-92-RIDE HEIGHT SYSTEM- PERFORMANCE
• 10219962Aug 16, 2021Air bags. Low Spot On Dash Cover Near Passenger Air Bag
• 10219961Aug 16, 2021Electrical system. ASCM DTC U0300 Internal Control Module Incompatibility
• 10218503Aug 16, 2021Suspension, Electronic stability control. Service Air Suspension Displayed On EVIC. Air Suspension Inoperative C15AD-92-RIDE HEIGHT SYSTEM- PERFORMANCE
• 10218502Aug 16, 2021Equipment. Low Spot On Dash Cover Near Passenger Air Bag
• 10218501Aug 16, 2021Electrical system. ASCM DTC U0300 Internal Control Module Incompatibility
• 10218578Aug 14, 2021Fuel system. Incorrect Fuel Injectors This bulletin involves replacing all eight fuel injectors. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find of the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. The customer may also experience the following:Poor engine performance.
• 10219959Aug 13, 2021Electrical system. Vehicle Will Not Crank Battery Drained
• 10219957Aug 13, 2021Body and structure. Water Leaking From A Pillar Area
• 10219954Aug 13, 2021Back-over prevention (rear camera). Rear Back Up Camera Display Does Not Have The Dynamic Grid Lines Showing, Option Selected On Within The Radio Settings
• 10218499Aug 13, 2021Electrical system. Vehicle Will Not Crank Battery Drained
• 10218497Aug 13, 2021Body and structure. Water Leaking From A Pillar Area
• 10218494Aug 13, 2021Back-over prevention (rear camera). Rear Back Up Camera Display Does Not Have The Dynamic Grid Lines Showing, Option Selected On Within The Radio Settings
• 10219952Aug 12, 2021Electrical system, Equipment. High Beams Do Not Turn On While The Headlamp Switch Is Set To The Auto Lights On Position, High Beam Headlamps Do Operate With Switch Set To Manual Lights On Low Beam Position
• 10219951Aug 12, 2021Equipment. Radio Inoperative, Black Or Blank Screen
• 10219950Aug 12, 2021Forward collision avoidance. Forward Collision Warning OFF Indicator Is Displayed In The Cluster
• 10218571Aug 12, 2021Body and structure, Engine cooling. 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.
• 10218570Aug 12, 2021Transmission and drivetrain, Body and structure, Engine cooling. 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.
• 10218492Aug 12, 2021Equipment, Electrical system. High Beams Do Not Turn On While The Headlamp Switch Is Set To The Auto Lights On Position, High Beam Headlamps Do Operate With Switch Set To Manual Lights On Low Beam Position
• 10218491Aug 12, 2021Equipment. Radio Inoperative, Black Or Blank Screen
• 10218490Aug 12, 2021Exterior lighting, Forward collision avoidance, Lane departure. Forward Collision Warning OFF Indicator Is Displayed In The Cluster
• 10219947Aug 11, 2021Engine. MIL Lamp On, Vehicles Engine Runs Rough, Poor Performance
• 10219946Aug 11, 2021Equipment. Audio Cuts Out And Radio Screen Goes Black Intermittently
• 10219945Aug 11, 2021Body and structure. Noise Opening And Or Closing Front Door
• 10219943Aug 11, 2021Latches, locks and linkages. Door Will Not Open Using Inside Door Handle
• 10219921Aug 11, 2021Suspension. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the DTC is stored and able to be cleared, component replacement is not necessary. Please follow the service procedures to attempt to clear any active fault(s) which includes module hard reset, full CAN power down/sleep, or DTC clear in WiTech. Please contact FCA Redacted Content prior to any ASCM replacement at FCA Redacted Content…

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