2023 Hyundai Tucson Service and Repair Manual

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Factory-Grade Data

2023 Hyundai Tucson 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 Plug-In Hybrid Sport Utility 4-Door
  • N Line Sport Utility 4-Door
  • SEL Convenience Hybrid Sport Utility 4-Door
  • Preferred Sport Utility 4-Door
  • GLS Sport Utility 4-Door
  • Luxury Plug-In Hybrid Sport Utility 4-Door
  • SE Sport Utility 4-Door
  • SEL Sport Utility 4-Door
  • GLS Premium Sport Utility 4-Door
  • Luxury Hybrid Sport Utility 4-Door
  • XRT Sport Utility 4-Door
  • Ultimate Hybrid Sport Utility 4-Door
  • Urban Sport Utility 4-Door
  • Blue Hybrid Sport Utility 4-Door
  • Limited Hybrid Sport Utility 4-Door
  • Limited Sport Utility 4-Door
  • Ultimate Plug-In Hybrid Sport Utility 4-Door
  • EV Sport Utility 4-Door
  • SEL Plug-In Hybrid Sport Utility 4-Door
  • Essential Sport Utility 4-Door
  • Limited Tech Sport Utility 4-Door

Engines covered

  • 1.6L 1598CC 98Cu. In. l4 PLUG-IN HYBRID EV-GAS (PHEV) DOHC Turbocharged
  • 2.5L 2497CC l4 GAS DOHC Naturally Aspirated
  • 1.6L 1598CC 98Cu. In. l4 FULL HYBRID EV-GAS (FHEV) 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

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Vehicle Safety Data

2023 Hyundai Tucson Recalls & Complaints

NHTSA #23V52600027/07/2023Component: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:PUMP

Hyundai Motor America (Hyundai) is recalling certain 2023-2024 Palisade Tucson, 2023 Sonata, Elantra, and Kona vehicles. The electronic controller for the Idle Stop & Go oil pump assembly may contain

Consequence

An electric oil pump assembly that overheats increases the risk of a vehicle fire.

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. De

NHTSA #25V89300019/12/2025Component: TRAILER HITCHES

Hyundai Motor America (Hyundai) is recalling certain 2022-2024 Tucson vehicles equipped with an optional Mobis tow hitch wiring harness. The wiring harness may have been installed incorrectly, allowin

Consequence

Nonfunctioning trailer lights can increase the risk of a crash. A short circuit can increase the ris

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. Dea

TSB #11032523

The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla

TSB #11032522

The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),

TSB #11031400

Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solen

TSB #11029906

Some 2019MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cases, the front camera auto-calibration range may be exceeded

TSB #11028968

Some Santa Fe (TMA) and Tucson (NX4A) vehicles equipped with a 2.5L GDI engine and 8 speed automatic transmission may have DTC U028700 (Lost Communication With Trans Fluid Pump Module) set by the transmission Electric Oil Pump (EOP). This D

TSB #11028954

Some Tucson (NX4A) vehicles may have an inoperable horn that may be caused by foreign substances causing internal parts to oxidize. This bulletin provides instructions on how to replace both inoperative horns.

TSB #11028667

Some Tucson (NX4, NX4A) vehicles may have DTC P218100, P2181F0, and/or P2181F1 (Cooling System Performance) set in the Electronic Control Unit (ECU), resulting in an illuminated Check Engine warning lamp. This TSB provides instructions to r

TSB #11027589

Some vehicles equipped with a 2.5L GDI Theta III engine (non-Turbo) may exhibit one or more misfire DTCs due to the GDI fuel injectors leaking internally. This may be caused by internal filter breakage in the injector. Follow the procedure

Showing the 8 most recent of 50 technical service bulletins on file with NHTSA.

20240703Component: POWER TRAINCrash reported2 injured

The contact owned a 2023 Hyundai Tucson. The contact stated that while his mother was driving at an undisclosed speed, she heard an abnormal sound emanating from an unknown location of the vehicle, af

20240703Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDALCrash reported2 injured

The contact owned a 2023 Hyundai Tucson. The contact stated that while his mother was driving at an undisclosed speed, she heard an abnormal sound emanating from an unknown location of the vehicle, af

20250219Component: AIR BAGSCrash reported1 injured

I was driving straight when a vehicle coming from the opposite direction made a left turn without yielding, crossing into my lane. As a result, my vehicle collided with the other car at full speed. Ho

20260216Component: UNKNOWN OR OTHERCrash reported

At dusk I was driving below the speed limit (40 MPH). I was at least 3 car lengths behind the vehicle in front of me when i saw the driver was braking because his brake lights came on and there was a

20260216Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported

At dusk I was driving below the speed limit (40 MPH). I was at least 3 car lengths behind the vehicle in front of me when i saw the driver was braking because his brake lights came on and there was a

Showing the 5 most serious of 195 complaints filed with NHTSA.

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