2023 Jeep Grand Wagoneer L Service and Repair Manual

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2023 Jeep Grand Wagoneer L service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • Series III Obsidian Sport Utility 4-Door
  • Series III Sport Utility 4-Door
  • Base Sport Utility 4-Door
  • Series II Sport Utility 4-Door
  • Series I Sport Utility 4-Door
  • Obsidian Sport Utility 4-Door

Engines covered

  • 3.0L 2993CC 183Cu. In. l6 GAS DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #25V64200025/09/2025Component: STRUCTURE:EXTERIOR TRIM

Chrysler (FCA US, LLC) is recalling certain 2022-2024 Jeep Wagoneer and Jeep Grand Wagoneer vehicles. The quarter trim on the driver and passenger windows may not have been properly secured, which can

Consequence

Detached trim pieces can create a road hazard for other vehicles, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the quarter window glass assembly, as necessary, free of charge. Ow

NHTSA #23V57700014/08/2023Component: BACK OVER PREVENTION:DISPLAY FUNCTION

Chrysler (FCA US, LLC) is recalling certain 2022-2023 Jeep Grand Cherokee, 2021-2023 Jeep Grand Cherokee L, and 2022-2024 Jeep Wagoneer and Grand Wagoneer vehicles. The Central Vision Park Assist mod

Consequence

A rearview image that does not display while in reverse decreases the driver's visibility of the rea

Remedy

Dealers will update the Central Vision Park Assist Module software, free of charge. Owner notificat

NHTSA #24V19900014/03/2024Component: AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE

Chrysler (FCA US, LLC) (Stellantis) is recalling certain 2023-2024 Ram 1500, Jeep Wrangler, Jeep Wagoneer, Jeep Grand Wagoneer, Chrysler Pacifica, Ram 3500, Ram 3500 cab chassis, Ram 2500, Ram 4500 ca

Consequence

An air bag that does not deploy in a crash can increase the risk of injury.

Remedy

Dealers will inspect and replace the steering column control module, as necessary free of charge. S

NHTSA #24V43600013/06/2024Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Chrysler (FCA US, LLC) is recalling certain 2021-2022 Dodge Durango, 2021-2023 Chrysler Pacifica, Jeep Grand Cherokee L, 2022 Ram 1500, 2500, 3500, Chrysler Voyager, 2022-2023 Jeep Compass, Grand Cher

Consequence

A rearview camera image that does not display decreases the driver's visibility, increasing the risk

Remedy

Dealers will update the radio software or the software will be OTA, "Over-The-Air," free of charge.

NHTSA #25V59300011/09/2025Component: STRUCTURE:EXTERIOR TRIM

Chrysler (FCA US, LLC) is recalling certain 2022-2025 Jeep Wagoneer and Jeep Grand Wagoneer vehicles. The trim on the driver and passenger doors may not have been installed properly, which can allow

Consequence

Detached trim pieces can create a road hazard for other vehicles, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the door trim, as necessary, free of charge. Owner notification let

NHTSA #23V54500003/08/2023Component: STRUCTURE:BODY:ROOF AND PILLARS

Chrysler (FCA US, LLC) is recalling certain 2022-2023 Jeep Wagoneer and Grand Wagoneer vehicles. The upper B-pillar interior trim may not be fully seated and could interfere with the side curtain air

Consequence

A compromised deployment of the SABIC can reduce occupant protection in the event of a crash, increa

Remedy

Dealers will inspect and reseat or replace the trim pieces as necessary, free of charge. Owner noti

No service bulletins No technical service bulletins on file with NHTSA for the 2023 Jeep Grand Wagoneer L.
20240111Component: STEERINGCrash reported

A power failure inside the vehicle causing it to crash at a gas station it's been in a shop for almost 3 months now while we are paying almost 2k a month for the loan, we asked Jeep to cancel the cont

20240111Component: ELECTRICAL SYSTEMCrash reported

A power failure inside the vehicle causing it to crash at a gas station it's been in a shop for almost 3 months now while we are paying almost 2k a month for the loan, we asked Jeep to cancel the cont

20240111Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported

A power failure inside the vehicle causing it to crash at a gas station it's been in a shop for almost 3 months now while we are paying almost 2k a month for the loan, we asked Jeep to cancel the cont

20231023Component: EXTERIOR LIGHTINGCrash reported

We brought this Brand-new Wagoneer on April 19th, 2023, since then we've been having a lot of issues with the vehicle, On August 7th, the electrical system failed we took it to the dealer, and they up

20231023Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported

We brought this Brand-new Wagoneer on April 19th, 2023, since then we've been having a lot of issues with the vehicle, On August 7th, the electrical system failed we took it to the dealer, and they up

Showing the 5 most serious of 76 complaints filed with NHTSA.

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