2026 Jeep Grand Cherokee L technical service bulletins
265 technical service bulletins and manufacturer communications cover the 2026 Jeep Grand Cherokee L, including 23 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- FCA Caribbean Warranty Newsletter – Volume 12, Issue 7
- Warranty Newsletter – Volume 12, Issue 7
- Recall Completion Prior to Sale of Vehicle
- ID-26-38
- D-26-18
- Dealer Incentive for the Completion of Customer Satisfaction Notice (CSN) 66D
- Customer satisfaction notification north america
- D-26-13
- ID-26-31
- D-26-14
- D-26-13
- ID-26-31
- D-26-14
- D-26-13
- ID-26-31
- ID-26-32
- D-26-13
- ID-26-31
- Claim Submission for Hurricane Spark Plug Repair
- Auto Emergency Braking (AEB) Unavailable – Service Required Message In Cluster
- Rattle Noise Over Bumps Or Over Rough Road From The Body In The B-Pillar
- Engine Coolant Leak The
- Revised Customer Satisfaction Notification 66D – Spark Plugs
- R1H U43.17
- Engine Runs Rough Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle...
- Wireless charger
- The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward...
- Umbrella Valve Seal Missing From Cylinder Head Cover Vehicle may exhibit a MIL-ON. SYMPTOM: Upon...
- Applique - front door
- Incorrect Fuel Tank Installed Customers must experience a Malfunction Indicator Lamp (MIL) illumination...
- Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star...
- Radio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of...
- Missing All Weather Floor Mats Customers may comment on the following: SYMPTOM: ● Missing all weather...
- Airbag Warning Light On or Intermittent
- Display Verify "Z" part number availability
- SEAL, Sunroof, Interior Prior to replacing this part, please ensure the repair is due to issues other than...
- Transmitter kit & transmitter - integrated key fob
- Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear.
- MIL-On, Engine Runs Rough
- Umbrella Valve Seal Missing From Cylinder Vehicle may exhibit a MIL-ON. SYMPTOM: Upon inspection the...
- Umbrella Valve Seal Missing From Cylinder Head Cover
- Instrument Panel Cluster (IPC) Message “Park Assist System Unavailable” or “Service Park Assist System”,...
- Steering Dragging While Recreational Flat Towing Behind RV.
- Potential Engine Oil Overfill Customers may comment on the following: SYMPTOM: ● Misfires or sluggish...
- Malfunction Indicator Lamp (MIL) With Diagnostic Trouble Code (DTC) P0607 Customers must experience a...
- Cover - cylinder head
- Seal - lower ags
- R1L Radio Screen Goes Blank after transitioning from logistic to customer mode
- Transmission Control Module (TCM) Diagnostic N/A
- Transmission Control Module (TCM) Diagnostic Customers may experience a Malfunction Indicator Lamp (MIL)...
- Spark Plugs The spark plugs insulator on approximately 48,000 of the above vehicles may break due to...
- Evaporator - air conditioning
- Sunroof Shade Binding Customers may experience the following: SYMPTOM: ● The sunroof sunshade is binding...
- Flash: Heating, Ventilation And Cooling (HVAC) Module Updates Customers must experience a Malfunction...
- Not applicable to vehicles built for US market
- Before replacing any part, check the DOT on the glass or the PN to make sure you choose the replacement...
- Spark plug - none
- Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
- Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long...
- Service Transmission Message Customers must experience a Malfunction Indicator Lamp (MIL) illumination and...
- Navigation Won't Load On Home/Split Screen Customers may experience the following: SYMPTOM: ● Factory...
- Throttle body – none
- Spring kit - disc brake pad
- WL: Dealer cannot perform programming new keyfob or re-programming existing keyfob
- Clunking when going over bumps, potholes, or turns
- If the Driver/Passenger Seat Adjsuter Switch is inoperable, seat back will not move or seat moves on its...
- WL Front Control Arm Bushing
- Camera - rear view
- Power Liftgate Intermittently Inoperative
- Battery Drain
- Bolt - hex flange head
- Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
- Heater - electric coolant
- Outside Power Fold Rearview Mirror Noise Or Loose At Pivot
- Heater core – none
- Service 4WD Message, With Any Combination Of The Following Front Axle Disconnect (FAD) Diagnostic Trouble...
- Ambient cabin light fault B2811-02 inop
- Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- Power Liftgate Intermittently Inoperative
- Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Flash: Transmission Control Module (TCM) Updates Customers may experience one or more of the following: ●...
- Fuel Fill All 2026 Jeep Grand Cherokee (WL) vehicles must be delivered to the customer with a full tank of...
- Wl ddm/pdm
- Battery Drain
- Central ADAS Decision Module (CADM), Long Range Camera Front(LRCF), Advanced Driver Assist System (ADAS),...
- Module - liftgate
- 68375577A$ is not showing the correct verbiage please update and correct Clunking when going over bumps,...
- Hot Cup Holders Customers may comment on the following: ● When the rear heat temperature is set at or near...
- Bezel - overhead console
- TBM2.0H
- Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays...
- Sensor – knock
- Clunking when going over bumps, potholes, or turns
- Issue: complaint of rattle from exhaust Before replacement: Check for loose exhaust Aluminum isolator...
- Frame - cargo area
- Poor Audio Quality And Or Static From Wireless Devices
- Loss of Engine Oil Pressure, Engine No Crank/No Start
- Coolant Leak, Low Coolant Level/Loss of Coolant from Overflow Bottle
- Switch - liftgate
- Unable To Link Key FOB To Memory Profile Customers may experience the following: ● Customer is unable to...
- Instrument Panel Cluster (IPC) Flicker Turn By Turn The
- Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update Customers must experience a...
- Actuator - a/c and heater
- Air bag - driver
- WL Front Control Arm Bushing
- No Wireless Charging Or Slow Wireless Charging
- Manual Liftgate / Hatch Ajar Message On Instrument Cluster.
- Door Latch, Handle And Ajar Additional Service Information.
- Rear Taillamp Condensation Clearing Procedure On occasion, vehicle exterior taillamp assemblies get fogged...
- U0422-00
- Driver Side Heat Blows Warm
- Buzz Squeak Rattle (BSR) Noise From Rear Of Vehicle.
- Traffic Sign Assist Unavailable – Service Required The
- The Occupant Restraint Controller (ORC) Sets B2204-00 Unknown Status (Pending), Sets B2204-00 ECU...
- Power Liftgate Inoperative Or Intermittently Will Not Open Or Close.
- Switch - power window
- Front Passenger and/or Rear Left and/or Rear Right Door Window Switches are Inoperative, Window Operation...
- Cover - cargo area
- TBM2.0H
- Clunk, Creaking, Squeaking, Knocking Noise From Front Suspension Over Bumps And Or Rough Road Conditions.
- Radio Remains On After Ignition Off
- PROXI Alignment and Drive Calibration: Park Assist Module (PAM) The vehicle must exhibit/set the following...
- Universal Garage Door Opener (UGDO) Inoperable Technicians may or may not find the following Diagnostic...
- Flash: Global Telematics Box Module (TBM) Updates Customers must experience a Malfunction Indicator Lamp...
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from...
- Prior to windshield replacement for cracks (circular shape towards center of glass), please mark the area...
- Central ADAS Decision Module (CADM) Diagnostic Trouble Codes C00C0-4A, C00C1-4A, C00C5-4A.
- Prior to replacing an inoperative passive entry door handle, perform Star Online S2523000089.
- The vehicle will exhibit a service transmission/check engine warning indicator for the following...
- Wl & dj
- Service Electric Sway Bar Lamp On In Cluster
- Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00,...
- Windshield Wiper Blade Maintenance Customers may experience one or more of the following: SYMPTOM: ● Wiper...
- Sensor - pinch
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)...
- Speaker - none
- The Occupant Restraint Controller (ORC) Sets B2204-00 DTC In an Unknown Status (Pending), Sets B2204-00...
- Engine Oil is Red in Color
- Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV...
- Water pump
- Harman R1H Uconnect 5 Radio Software Flash Error Codes
- Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL)...
- Horn Sound Is Weak, Off Tone, Inoperative, Or Intermittent.
- The Handsfree Kick Feature Does Not Work Or Works Intermittently.
- Battery Drain
- Universal Garage Door Opener Prior to replacing the UGDO or sun visor, call HomeLink® Customer Care at...
- Front HDMI Port or Front Passenger Display Module (FPDM) Not Projecting Video
- Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Washer Fluid Warning Lamp Illuminated When Reservoir Is Full
- GMET4 dohc
- PROXI Alignment: Radio Frequency Hub Module (RFHM) Customers may experience the following: ● Keyless...
- Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
- Hose - sunroof drain
- Hemi Water Pump Coolant Leak Inspection
- Audio Amplifier Setting ANC Diagnostic Trouble Codes (DTC) as Stored Codes.
- Passive Entry Exterior Door Handle Inoperative When Touched For Lock And Or Unlock.
- Water Pump & Chain Case Cover
- Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp...
- Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
- The customer is experiencing a clicking or pop noise from the steering knuckle and bearing area during...
- Coolant Has Abnormal Yellow Color
- Service Shifter Message On Instrument Cluster With Loss Of Communication Diagnostic Trouble Code (DTC)...
- Latch - liftgate
- Note: actual release date was 12/22/2025 The customer is experiencing a clicking or pop noise from the...
- The customer states the ABS and Traction Control warning comes on. Vehicle sets wheel speed BSCM/ABS fault...
- Armrest - rear door trim
- Valve body & control unit – transmission
- Power Liftgate Noise During Gate Operation
- Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate
- Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may...
- If the power liftgate exhibits operating noise during opening or closing but functions normally, follow...
- If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and
- Throttle body - none
- Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience...
- Service 4WD light on in the cluster
- Module - steering control
- Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
- Diagnostic Trouble Code DTC(s) C1593-00, C2217-00, U0131-00. and Service Electric Power Steering Messages.
- Lamp – backup, lamp - tail
- Intermittent Uconnect Box Requires Service Message
- DTC B1E21 is triggered when the TBM Backup Battery is discharged, inactive, or drained
- Engine Oil Leak
- Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection
- Module - steering control & column
- Tire Pressure Monitor (TPM) Warning Lamp On Or Flashing
- Rear Door Mounted Window Switch Button Is Inoperative, Stuck, Or Switch Button Does Not Return To Original...
- Noise From Front End While Steering Or Turning The Steering Wheel.
- C0044-00-BRAKE pressure sensor 1 (module
- Global Telematics Box Module Over The Air Update from R5C1 and R5O1 to R5T TBM2.H Software Version (FOTA)...
- Power Side Steps Reverse, Stop In Motion, Do Not Deploy Or Stow, And May Have a Chirp Noise.
- Album Cover Art Flickers On Cluster Audio Page
- Symptoms/Condition: Shifter reports loss communication AND NO OTHER MODULES report the condition
- Module - engine controller
- Valve - check
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