2023 Jeep Grand Cherokee L Service and Repair Manual

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Factory-Grade Data

2023 Jeep Grand Cherokee 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

  • Limited Sport Utility 4-Door
  • Altitude X Sport Utility 4-Door
  • Summit Reserve Sport Utility 4-Door
  • Overland Sport Utility 4-Door
  • Summit Sport Utility 4-Door
  • Laredo X Sport Utility 4-Door
  • Altitude Sport Utility 4-Door
  • Laredo Sport Utility 4-Door

Engines covered

  • 3.6L 3604CC 220Cu. In. V6 FLEX DOHC Naturally Aspirated
  • 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated

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

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Vehicle Safety Data

2023 Jeep Grand Cherokee L Recalls & Complaints

NHTSA #26V05100029/01/2026Component: SUSPENSION:REAR:SPRINGS:COIL SPRINGS

Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Grand Cherokee L and 2022-2023 Jeep Grand Cherokee vehicles. The rear coil springs may be incorrectly installed and detach from the vehicle w

Consequence

Rear coil springs that detach from the vehicle while driving increase the risk of a crash.

Remedy

Dealers will inspect and repair the rear coil spring assembly, as necessary, free of charge. Interim

NHTSA #24V89700027/11/2024Component: AIR BAGS:SIDE/WINDOW

Chrysler (FCA US, LLC) is recalling certain 2022-2024 Jeep Grand Cherokee and 2021-2024 Jeep Grand Cherokee L vehicles. An improperly secured connector for the front seat side air bags (SAB) may prev

Consequence

An air bag that does not deploy during a crash increases the risk of injury.

Remedy

Dealers secured the connector, free of charge. All affected vehicles have been remedied. Owner not

NHTSA #25V43000026/06/2025Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR

Chrysler (FCA US, LLC) is recalling certain 2023 Jeep Grand Cherokee and Jeep Grand Cherokee L vehicles. The blower motor may fail, which can cause the defrosting and defogging system to be inoperativ

Consequence

An inoperative windshield defrosting and defogging system may decrease the driver's visibility, incr

Remedy

Dealers will inspect and replace the blower motor, as necessary free of charge. Owner notification l

NHTSA #25V47200017/07/2025Component: SEATS:MID/REAR ASSEMBLY:HEAD RESTRAINT

Chrysler (FCA US, LLC) is recalling certain 2023-2024 Jeep Grand Cherokee and Jeep Grand Cherokee L vehicles. The second-row seat head restraints may not lock in the upright position. As such, these v

Consequence

Head restraints that do not lock can result in an increased risk of injury to seat occupants during

Remedy

Dealers will inspect and replace both second-row seat head restraints, as necessary, free of charge.

TSB #11032870

D-26-11 (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)

TSB #11032869

ID-26-24 (XC2) 2.0L PHEV Engine - Select 2024 - 2025 Jeep Wrangler (JL) and 2023 - 2025 Grand Cherokee/ Grand Cherokee L (WL)

TSB #11032866

BEZEL - OVERHEAD CONSOLE

TSB #11032865

SENSOR KNOCK

TSB #11032864

SENSOR KNOCK

TSB #11032861

FRAME - CARGO AREA

TSB #11032857

Before replacing the steering column control module (SCCM) due to wipers inop, wipers not turning off, wipers not returning to position, heated steering wheel not working and/or steering controls inop, Electronic Stability Control (ESC) lig

TSB #11032854

Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the tension link. This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and

Showing the 8 most recent of 275 technical service bulletins on file with NHTSA.

20251023Component: ENGINECrash reported

Computer telling vehicle to do a sudden unintended acceleration. Forward collision warning system did not respond. Air bags didn’t deploy. No diagnostics have been done. No warning lamps illuminated

20251023Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported

Computer telling vehicle to do a sudden unintended acceleration. Forward collision warning system did not respond. Air bags didn’t deploy. No diagnostics have been done. No warning lamps illuminated

20251023Component: ELECTRICAL SYSTEMCrash reported

Computer telling vehicle to do a sudden unintended acceleration. Forward collision warning system did not respond. Air bags didn’t deploy. No diagnostics have been done. No warning lamps illuminated

20250718Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDALCrash reported

The contact owns a 2023 Jeep Grand Cherokee L. The contact stated that while driving at slow speeds in stop-and-go traffic, the vehicle inadvertently accelerated on its own. As a result, the contact b

20251014Component: SERVICE BRAKES, AIR:ANTILOCKFire reported

The contact owns a 2023 Jeep Grand Cherokee L. The contact stated that while driving at 60 MPH, the vehicle failed to accelerate as intended while depressing the accelerator pedal. In addition, a burn

Showing the 5 most serious of 95 complaints filed with NHTSA.

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