2023 Jeep Grand Wagoneer Technical Service Bulletins

553 technical service bulletins (TSBs) are on record for the 2023 Jeep Grand Wagoneer. 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.

• 10248950Nov 23, 2023Brakes, Lane departure, Exterior lighting, Electrical system. Flash: Brake System Control Module (BSCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: ? **C0500-00 - Brake System Hydraulic Leak.** Customers may also experience: ? Brake warning lamp is illuminated. ? Firm brake pedal. NOTE: Brakes will function as normal. This…
• 10248937Nov 17, 2023Lane departure, Brakes, Exterior lighting. Brake Warning Lamp On In Cold Temperatures Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: ? C00500-00 - Brake System Hydraulic Leak. Customers may also experience: ? A brake warning lamp on in Instrument Panel Cluster (IPC) and a firmer brake pedal. NOTE: Brakes will function…
• 10248936Nov 17, 2023Electronic stability control, Electrical system, Suspension. Flash: Air Suspension Control Module (ASCM) Updates Customers may experience: After towing a heavy load above the protection limit, the air suspension will only lower and will remain in low ride height. Instrument Panel Message (IPC) message "selected ride height not permitted due to payload" appears. This bulletin involves reprogramming the ASCM with the latest available software.
• 10248879Nov 17, 2023Body and structure. Buzz Squeak Rattle (BSR) From Interior Near Rear Header D Pillar With Body Twist Or Over Bumps.
• 10248848Nov 17, 2023Equipment. Spring Front Upr - Isolator Before replacing this part. Please contact FCA REDACTED CONTENT. ~ If no response in 15 minutes, proceed with repair.
• 10248877Nov 16, 2023Transmission and drivetrain. Verifying Camshaft Diagnosis
• 10248932Nov 15, 2023Equipment. R1H Radio Software Update to T25.50 The customer may experience the one or more of the following: Amplifier module sets Diagnostic Trouble Code (DTC) U0485 - Implausible Data Received Set. Radio reset (Rearview camera functions normally). Voice Recognition (VR) inoperable. Wireless CarPlay® inoperable. Audio sources inoperable. Display switches to Nav on VR prompt. Vehicle Positioning (Lat/Long) inoperable…
• 10248872Nov 10, 2023Equipment. Audio Muted During A CarPlay Or Android Auto Phone Call
• 10248871Nov 10, 2023Body and structure. Buzz Squeak Rattle (BSR) From Interior Near Rear Header D Pillar With Body Twist Or Over Bumps.
• 10248924Nov 9, 2023Equipment. Radio Over The Air S26.18 Updating to T25L Software Version Customers may experience one or more of the following: Amplifier module sets Diagnostic Trouble Code (DTC) U0485 - Implausible Data Received Set. Radio reset (Rearview camera functions normally). Voice Recognition (VR) inoperable. Wireless CarPlay® inoperable. Audio sources inoperable. Display switches to Nav on VR prompt. Vehicle Positioning (Lat/Long)…
• 10248868Nov 9, 2023Transmission and drivetrain, Electrical system. Mil-On/Check Engine Lamp-On with ANY DTCs. Freeze frame data from the powertrain control module (PCM).
• 10248966Nov 8, 2023Engine cooling. PSU Oil Pump Assy
• 10248864Nov 8, 2023Equipment. Subwoofer Buzz, Rattle, Noisy Or Loose
• 10248845Nov 8, 2023Engine cooling. Hydraulic tensioner Before replacing any Front End Accessory Drive components, please check Accessory Drive belt routing as per engine sales code. Customer complaints may include a noise coming from under de hood described as a squeal, screech, squeak, chirp or "belt related" noise and/or noisy tensioner/pulley. Please check Service Library for any STAR Online publications that may apply.
• 10248923Nov 7, 2023Transmission and drivetrain. Transfer Case Shift Motor Wire Harness Connector Not Secured Customers may experience a Malfunction Indicator Lamp illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes have been set: U0418-00 Implausible Data Received From Brake System Control Module 1. C1444-98 T-Case Motor Overuse-Component or System Over Temperature. C00A8-13 4WD/AWD Transfer…
• 10248917Nov 1, 2023Exterior lighting, Electrical system, Fuel system. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. ? P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or System Performance. ? P0604-00…
• 10247492Oct 31, 2023Transmission and drivetrain. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. ? P0604-00 - Internal Control Module Random Access Memory Ram Error. ? P060C-00 - Internal Control…
• 10247450Oct 24, 2023Electrical system. Customer may complain "Service Engine ? See Dealer" message displays in cluster
• 10247483Oct 21, 2023Electrical system, Engine, Other or unknown. Battery No Start, Jump Start, Tow-In Complaints Customers may experience one or more of the following: ? No start, jump start or tow-ins. ? Engine Stop Start (ESS) is inoperable.
• 10247451Oct 21, 2023Equipment. Customer?s complaint may include a message appearing in the cluster?s information center stating, ?See User?s Manual For Proper Oil And Fuel? or ?Service Engine See Dealer?.
• 10247447Oct 21, 2023Equipment. Intermittent Black Screen With Or Without Audio, Radio Resets Or Radio Locks Up At Times
• 10247444Oct 21, 2023Back-over prevention (rear camera). SXM Lockup (rearview camera function is not affected), Cannot Change Channel or Adjust Volume
• 10247443Oct 20, 2023Engine cooling. No crank/No start with no DTC?s
• 10247409Oct 20, 2023Equipment. LR DVD Video Screen For complaints of a non-functional (inop) LR seatback monitor, please contact FCA Redacted Content prior to ordering the part. If no response is received in 15 minutes, proceed with the repair.
• 10247407Oct 19, 2023Seats, Back-over prevention (rear camera). Long Range Camera Front Part Number is more precise than "Up to and Including" and "After" dates in the item description. Please ensure to order the correct CADM and Long Range Camera Part Number(s) the vehicle was built with. The Root of the Original and Replacement part should be identical, the difference will be in the NIK level. Technician Removal of the Long Range Camera and CADM for Testing Purposes: Please…
• 10247474Oct 7, 2023Steering, Electrical system. Flash: Electric Power Steering (EPS) Module Updates The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? C2217-00 - Electric Power Steering Module Internal. ? C221F-00 - ECU Not Initialized. ? C1592-00 - Electronic Power Steering Motor Circuit. ? C1593-00 - Steering Torque…
• 10247437Oct 7, 2023Vehicle speed control, Back-over prevention (rear camera). Customer complaint may include a noise from under the hood described as a ?belt-related? noise.
• 10247435Oct 5, 2023Back-over prevention (rear camera). Humming Noise Through Speakers While Vehicle Is Off
• 10247434Oct 5, 2023Equipment, Body and structure. Vehicle sunroof will not operate and 3rd row seat switches will not illuminate.
• 10247433Oct 4, 2023Equipment. Squeak from the Center Console Area
• 10247432Oct 4, 2023Engine cooling. Vehicle is a no crank/no start with the following DTCs, as well as a no crank/no start condition: U0164, U0140, U0151, U0155
• 10248580Sep 28, 2023Visibility (wipers, defrost, mirrors). Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
• 10244419Sep 28, 2023Exterior lighting, Visibility (wipers, defrost, mirrors). Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
• 10248579Sep 26, 2023Lane departure. Maps Over The Air (MOTA) Is Causing The Navigation App To Continuously Reboot Or Map loading Screen Shown
• 10244418Sep 26, 2023Equipment. Maps Over The Air (MOTA) Is Causing The Navigation App To Continuously Reboot Or Map loading Screen Shown
• 10248578Sep 23, 2023Back-over prevention (rear camera). Camera Display Has a Blue Screen When Using Surround, Front, Rear, or Park Assist Camera View
• 10244417Sep 23, 2023Back-over prevention (rear camera), Electrical system. Camera Display Has a Blue Screen When Using Surround, Front, Rear, or Park Assist Camera View
• 10248577Sep 22, 2023Steering. Check Engine Lamp On. Warning Messages In The Cluster. U0131 Lost Communication With Power Steering Control Module Set.
• 10244416Sep 22, 2023Steering, Electrical system, Engine cooling. Check Engine Lamp On. Warning Messages In The Cluster. U0131 Lost Communication With Power Steering Control Module Set.
• 10248515Sep 20, 2023Electrical system. Central ADAS Decision Module CADM LO Part Number is more precise than "Up to and including" and "After" dates in the item description. Please ensure to order the correct CADM and Long Range Camera Part Number(s) the vehicle was built with. The Root of the Original and Replacement part should be identical, the difference will be in the NIK level. Technician Removal of the Long Range Camera and CADM for Testing…
• 10248513Sep 20, 2023Lane departure. Rear corner radar Lost communication with right or left rear radar (U02B6/U02B7). Follow the procedure for the DTC. If the DTC is still active proceed with doing radar Pin Unlock and complete a radar swap. After doing a proper swap vehicle will need to be driven to calibrate. If the issue does not follow the radar, then proceed with changing wiring on the side that is causing the issue.
• 10248510Sep 20, 2023Back-over prevention (rear camera). Long Range Camera Front Part Number is more precise than "Up to and including" and "After" dates in the item description. Please ensure to order the correct CADM and Long Range Camera Part Number(s) the vehicle was built with. The Root of the Original and Replacement part should be identical, the difference will be in the NIK level. Technician Removal of the Long Range Camera and CADM for Testing Purposes: Please…
• 10244356Sep 20, 2023Suspension. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
• 10244354Sep 20, 2023Electrical system. Central ADAS Decision Module CADM LO Part Number is more precise than "Up to and including" and "After" dates in the item description. Please ensure to order the correct CADM and Long Range Camera Part Number(s) the vehicle was built with. The Root of the Original and Replacement part should be identical, the difference will be in the NIK level. Technician Removal of the Long Range Camera and CADM for Testing…
• 10244352Sep 20, 2023Back-over prevention (rear camera). Rear corner radar Lost communication with right or left rear radar (U02B6/U02B7). Follow the procedure for the DTC. If the DTC is still active proceed with doing radar Pin Unlock and complete a radar swap. After doing a proper swap vehicle will need to be driven to calibrate. If the issue does not follow the radar, then proceed with changing wiring on the side that is causing the issue.
• 10244349Sep 20, 2023Back-over prevention (rear camera). Long Range Camera Front Part Number is more precise than "Up to and including" and "After" dates in the item description. Please ensure to order the correct CADM and Long Range Camera Part Number(s) the vehicle was built with. The Root of the Original and Replacement part should be identical, the difference will be in the NIK level. Technician Removal of the Long Range Camera and CADM for Testing Purposes: Please…
• 10248570Sep 19, 2023Seats. 2nd Row Center Seat Lazy Or Slow When Folding.
• 10248569Sep 19, 2023Body and structure, Electrical system. One or More of the Modules in the Vehicle Are Setting U0140-00 Loss of Communication with the Body Control Module, or U0145-00 LIN BUS 3 as Active or Stored
• 10244409Sep 19, 2023Seats. 2nd Row Center Seat Lazy Or Slow When Folding.
• 10244408Sep 19, 2023Electrical system. One or More of the Modules in the Vehicle Are Setting U0140-00 Loss of Communication with the Body Control Module, or U0145-00 LIN BUS 3 as Active or Stored

← All problems reported for the 2023 Jeep Grand Wagoneer