WenmarOpen by Wenmar Pro

Service bulletins for the 2022 Jeep Grand Wagoneer

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.

932 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
S2308000120 REV.B2024-06-24. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
23004242024-03-18. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses.
18002242024-03-18. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; SERVICE BRAKES. 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: ? **P00C6 - Fuel Rail Pressure Too Low - Engine Cranking Bank 1. ? P06DD - Engine Oil Pressure Control Circuit Performance/Stuck Off.** ? P0604-00 - Internal Control Module Random Access Memory Ram Error. ? P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software.
0824123A2024-01-16. Service bulletin. LANE DEPARTURE; SERVICE BRAKES, HYDRAULIC; 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 bulletin involves updating the BSCM with the latest available software.
08241232024-01-16. Service bulletin. SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; LANE DEPARTURE. 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 as normal. This bulletin involves updating the BSCM with the latest available software.
18058232024-01-16. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL 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: ? P0604-00 - Internal Control Module Random Access Memory Ram Error. ? P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software.
23029232024-01-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing.
18058232023-12-18. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following Diagnostic Trouble Codes (DTCs) have been set: ? **P0604-00 - Internal Control Module Random Access Memory Ram Error.** ? P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software.
S23080001202023-10-30. Service bulletin. VISIBILITY/WIPER; EXTERIOR LIGHTING:HEADLIGHTS. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
08112232023-05-30. Service bulletin. EXTERIOR LIGHTING; EXTERIOR LIGHTING:TAIL LIGHTS. Rear Tail Lamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior tail lamp assemblies are fogged with a light layer of condensation on the inside of the lenses. This may be reported after the lamps have been turned on and brought up to operating temperature, turned off, and then rapidly cooled by cold water (such as rain, or the water from a vehicle wash). This bulletin is to communicate the procedure for rear tail lamp condensation clearing.
08097232023-05-30. Service bulletin. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH; LANE DEPARTURE. Hood Ajar Switch Inoperative The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC): ? P152E - Engine Hood Switch 2 Circuit High. Customers may also experience: ? Start/Stop system warning light. ? Start/Stop inoperable. ? Remote start inoperable. This bulletin involves replacing the hood ajar switch.
23029232023-04-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing.
91000962023-01-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING. Base Headlamp Bright, Base Headlamp Black
08163222023-01-09. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM 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). B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may experience the following:Memory seat do not save on profiles 1 or 2. Easy entry/exit functionality is inoperative.
0805922REVB2023-01-09. Service bulletin. EXTERIOR LIGHTING; VISIBILITY. Fog Lamps Inoperable This bulletin involves replacing both fog lamp assemblies due to the harness connector failing. The customer may describe inoperable fog lights with a ?Right / Left Front Lighting Service Required? message in the Instrument Panel Cluster (IPC).
08059222023-01-09. Service bulletin. EXTERIOR LIGHTING; VISIBILITY. Fog Lamps Inoperable This bulletin involves replacing both fog lamp assemblies due to the harness connector failing. The customer may describe inoperable fog lights with a ?Right / Left Front Lighting Service Required? message in the instrument cluster.
21004222023-01-09. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN. Transmission Shifts Rough This bulletin involves performing a transmission quick learn. Technicans may experience one or more of the following:The vehicle shifts poorly. Harsh shift during acceleration. Bucks when going into gear. There will not be a Malfunction Indicator Lamp (MIL) and no Diagnostic Trouble Codes (DTCs) will be set for this symptom/condition.
08046222023-01-09. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The customer may experience one or more of the following: Active Noise Cancellation (ANC) drone noise between 950 RPM and 1,000 RPM, during a start up. Battery draining. Blinking odometer. Upon further investigation the technician may find the following DTCs have been set:The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance.If B221F-00 is a stored fault update the AMP with appropriate software. If the fault is active, follow normal DTC diagnostics. Use inspection LOP (18-60-07-AF) to close the active RSU. B2204-00 - ECU Configuration Mismatch.
23006222023-01-09. Service bulletin. EXTERIOR LIGHTING; SEATS; ELECTRICAL SYSTEM. Heated Seat Calibration Update This bulletin involves updating the HVAC module with the latest software for vehiclesbuilt before January 05 2022, checking the operation of the front heated seats and repair as required. Customers may comment on the following: Front row heated seats (driver and/or passenger) will not stay on and shutsitself off in less then 15 minutes while occupied.Customerswill not experience a Malfunction Indicator Lamp (MIL) illumination or Diagnostic Trouble Codes (DTCs) for this symptom/condition.
S22080000602023-01-09. Service bulletin. EXTERIOR LIGHTING; LANE DEPARTURE. Low Fuel Warning Indicator Stuck ON
829732022-12-19. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING. LAMP - TAIL
91000612022-11-07. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; UNKNOWN OR OTHER. HEADLAMP ASSY Please contact engineer FCA Redacted Content prior to replacing, if no response within 15 minutes proceed with repair.
0805922REVB2022-10-31. Service bulletin. EXTERIOR LIGHTING; VISIBILITY. Fog Lamps Inoperable This bulletin involves replacing both fog lamp assemblies due to the harness connector failing. The customer may describe inoperable fog lights with a ?Right / Left Front Lighting Service Required? message in the Instrument Panel Cluster (IPC).
08163222022-10-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SEATS; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM 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). B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may experience the following:Memory seat do not save on profiles 1 or 2. Easy entry/exit functionality is inoperative.
08152222022-10-31. Service bulletin. STEERING; ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; VISIBILITY; WHEELS; STRUCTURE; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. Customer may describe various LIN related functions (steering wheel, center stack, terrain or 4WD) switches and/or certain interior lamps not working. Upon further inspection the technician may also observe the followingDiagnostic Trouble Codes (DTCs) may have set without a Malfunction Indicator Lamp (MIL): U1223-00 - Lost Communication with Wireless Charging Pad Module. U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. U1207-00 - Lost Communication With Terrain Switch Bank Module. U1191-00 - Lost Communication with Switch Bank Module 2. U1153-00 - Lost Communication With Windshield Wiper Smart Module. U114F-00 - Lost Communication with LIN Overhead Console. U114D-87 - Lost Communication with Hands Free Liftgate Module-Missing Message. U113B-00 - Lost Communication With Switch Bank Module. U112D-00 - Lost Communication With EVIC Steering Wheel Switches. U1125-00 - Lost Communication With LIN ECU 5- (Ride Height Switch Module). U1123-00 - Lost Communication With LIN ECU 3- (Switch Bank Module Rear Right). U1122-00 - Lost Communication With LIN ECU 2- (Switch Bank Module Rear Left). U1008-00 - LIN 1 Bus Steering Column Control Module Electrical Diagnostic. U0231-00 - Lost Communication With Rain Sensing Module.

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