2023 Kia Carnival Service and Repair Manual

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Factory-Grade Data

2023 Kia Carnival 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.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

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

Trims covered

  • LX Mini Passenger Van 4-Door
  • SX Prestige Mini Passenger Van 4-Door
  • LX+ Mini Passenger Van 4-Door
  • EX Mini Passenger Van 4-Door
  • SX Mini Passenger Van 4-Door
  • EX+ Mini Passenger Van 4-Door

Engines covered

  • 3.5L 3470CC V6 GAS DOHC 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 Kia Carnival Recalls & Complaints

NHTSA #23V23600031/03/2023Component: STRUCTURE:BODY:DOOR

Kia America, Inc. (Kia) is recalling all 2022 and certain 2023 Carnival vehicles. The auto-reverse feature for the power sliding doors (PSD) may not activate in all situations.

Consequence

A power sliding door that does not auto-reverse can close on an occupant, increasing the risk of inj

Remedy

Dealers will update the power sliding door control module software, free of charge. Owner notificat

NHTSA #24V02500018/01/2024Component: STRUCTURE:BODY:ROOF AND PILLARS

Kia America, Inc. (Kia) is recalling certain 2023-2024 Sportage and 2022-2024 Carnival vehicles. The roof molding may loosen and detach.

Consequence

A detached roof molding can create a road hazard for other vehicles, increasing the risk of a crash.

Remedy

Dealers will inspect the roof molding and replace or secure it as necessary, free of charge. Owner

NHTSA #23V17900017/03/2023Component: TRAILER HITCHES

Kia America, Inc. (Kia) is recalling certain 2022-2023 Carnival vehicles equipped with a tow hitch harness installed as original equipment, or purchased as an accessory through a Kia dealership. Wate

Consequence

A fire while parked or driving can increase the risk of injury.

Remedy

Owners are advised to park their vehicles outside and away from structures until the remedy is compl

NHTSA #26V23200010/04/2026Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Kia America, Inc. (Kia) is recalling certain 2022-2026 Carnival vehicles. Fuel may leak at the pipe connection between the fuel pipe and fuel rail.

Consequence

A fuel leak increases the risk of a fire.

Remedy

Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notif

TSB #11031906

TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software

TSB #11031853

IMPORTANT REMINDER: OWNER NOTIFICATION (KA4PSD2) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. We would like to remind vehicle owners about the

TSB #11029974

PITSTOP: TECHNICAL OPERATIONS: CCU FUSE OPEN AFTER WIRING HARNESS REPLACEMENT - This Pitstop provides information regarding a condition on 2022-2026MY Carnival (KA4 and KA4 HEV) vehicles in which the CCU 10A fuse may open and multiple warni

TSB #11026826

IMPORTANT REMINDER: CARNIVAL POWER SLIDING DOOR FEATURE: OWNER NOTIFICATION (KA4PSD2 FLIGHT 103) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. W

TSB #11026698

PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking

TSB #11024181

IMPORTANT REMINDER: CARNIVAL POWER SLIDING DOOR FEATURE: OWNER NOTIFICATION (KA4PSD2 FLIGHT 102) - This document is the owner notification advising Kia's ongoing commitment to providing Kia Carnival vehicle owners with a superior ownership

TSB #11023404

PITSTOP: TECHNICAL OPERATIONS: FUEL FILLER DOOR ACTUATOR REPLACEMENT - This Pitstop provides information regarding the replacement of the fuel filler door actuator and wiring harness on 2022-2024MY Carnival (KA4) vehicles. When replacing a

TSB #11021053

IMPORTANT REMINDER: CARNIVAL POWER SLIDING DOOR FEATURE: OWNER NOTIFICATION (KA4PSD2) - This document is the owner notification advising Kia's ongoing to providing you with a superior ownership experience, wed like to remind you about the p

Showing the 8 most recent of 57 technical service bulletins on file with NHTSA.

20260205Component: SERVICE BRAKESCrash reported

ABS was activating inappropriately creating a grinding/pulsating noise while I was attempting to stop at a light. The vehicle did slow down but despite the completely dry road service and sufficient

20260514Component: UNKNOWN OR OTHER1 injured

Our Carnival had the SC266 recall repair done on July 3rd, 2023, at 3074 miles. Then our [XXX] daughter was injured as a result of the safety function not working and the door closed without any chim

20251023Component: STRUCTURE:BODY1 injured

Passenger side sliding door periodically gets stuck trying to open or close. My 3 year olds finger got stuck in the closed position of the sliding door and we could not get the door open immediately b

20240527Component: STRUCTURE:BODY1 injured

The driver’s side sliding door was closing and crushed my wife between the door and B pillar. It did not retract upon encountering the resistance of my wife’s body, and continued to close. She has

20240527Component: ELECTRICAL SYSTEM1 injured

The driver’s side sliding door was closing and crushed my wife between the door and B pillar. It did not retract upon encountering the resistance of my wife’s body, and continued to close. She has

Showing the 5 most serious of 57 complaints filed with NHTSA.

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