This 2017 Hyundai SONATA Hybrid (LF HEV) G 2.0 HEV Service and Repair Manual Covers

Hybrid Powertrain

• 2.0L Nu GDI Hybrid (G4NG) engine
• Permanent Magnet Synchronous Motor (PMSM)
• Hybrid Power Control Unit (HPCU)
• Battery Management System (BMS)
• High-voltage lithium-ion polymer battery
• Hybrid Starter Generator (HSG)
• Regenerative braking system
• Power Relay Assembly (PRA)
• Low DC-DC Converter (LDC)
• High-voltage junction box
• High-voltage cable inspection and repair
• High-voltage shut-off procedures
• Personal protective equipment (PPE) requirements
• Hybrid system diagnostics and testing

Engine & Drivetrain

• Gasoline Direct Injection (GDI) fuel system
• Engine mechanical overhaul
• Timing chain inspection and replacement
• Dual Continuously Variable Valve Timing (D-CVVT)
• Cooling system diagnostics
• Lubrication system repairs
• Intake and exhaust servicing
• Evaporative Emission Control (EVAP) system
• 6-Speed Automatic Hybrid Transmission
• Front-Wheel Drive (FWD)
• Drive shafts and CV joints

Chassis & Suspension

• MacPherson strut front suspension
• Multi-link rear suspension
• Motor Driven Power Steering (MDPS)
• Steering rack inspection and repair
• Wheel alignment specifications
• Wheel bearing replacement
• Shock absorber servicing
• Suspension bushings
• Stabilizer bar inspection and replacement

Braking Systems

• Regenerative braking system
• Anti-lock Braking System (ABS)
• Electronic Stability Control (ESC)
• Electronic Brake-force Distribution (EBD)
• Vehicle Stability Management (VSM)
• Brake hydraulic system servicing
• Front and rear disc brake overhaul
• Electronic Parking Brake (where equipped)

Electrical & Wiring

• Complete factory wiring diagrams
• Engine Control Module (ECM)
• Hybrid Control Unit (HCU)
• Hybrid Power Control Unit (HPCU)
• Battery Management System (BMS)
• Body Control Module (BCM)
• CAN Bus communication diagnostics
• Charging and starting system diagnostics
• 12V auxiliary battery servicing
• Smart Key and immobilizer system
• Instrument cluster servicing
• Infotainment and navigation system diagnostics
• Lighting system diagnostics
• Power windows, mirrors, and seat controls

Air Conditioning & HVAC

• Electric air conditioning compressor
• Dual-zone automatic climate control
• HVAC control module diagnostics
• Refrigerant recovery and charging procedures
• Blower motor replacement
• Heater core inspection
• Cabin air filter replacement

Body & Interior

• Interior trim removal and installation
• Exterior body panel repairs
• Front and rear bumper removal
• Hood and trunk lid adjustment
• Power seat repairs
• Seat removal and installation
• Airbag (SRS) diagnostics
• Seat belt pretensioner servicing
• Sunroof servicing (where equipped)

Driver Assistance & Convenience Systems

• Smart Cruise Control (where equipped)
• Blind Spot Detection (BSD)
• Rear Cross Traffic Alert (RCTA)
• Lane Departure Warning System (LDWS)
• Rearview camera diagnostics
• Parking sensor diagnostics
• Tire Pressure Monitoring System (TPMS)

Diagnostics & Troubleshooting

• Complete Diagnostic Trouble Code (DTC) lookup
• High-voltage system diagnostics
• Hybrid battery diagnostics
• Active test procedures
• Sensor inspection and testing
• Actuator testing
• ECU initialization
• Scan tool diagnostics
• Electrical troubleshooting workflows
• Factory service specifications

Common Error Codes Covered

This manual provides complete diagnostic and repair procedures for Hyundai manufacturer-specific fault codes.

Hybrid & High-Voltage Codes

• P0A80 – Replace Hybrid Battery Pack
• P0AA6 – High Voltage System Isolation Fault
• P1AA6 – Hybrid Battery Energy Control System Fault
• P1B77 – High Voltage Battery Temperature Sensor Fault
• P1C2D – Hybrid Power Control Unit Performance Fault

Engine Codes

• P0017 – Crankshaft/Camshaft Position Correlation
• P0106 – MAP Sensor Range/Performance
• P0171 – System Too Lean (Bank 1)
• P0300 – Random/Multiple Cylinder Misfire
• P0420 – Catalyst System Efficiency Below Threshold

Transmission Codes

• P0700 – Transmission Control System Malfunction
• P0717 – Input/Turbine Speed Sensor No Signal
• P0730 – Incorrect Gear Ratio

Network Communication Codes

• U0001 – High-Speed CAN Communication Bus Fault
• U0100 – Lost Communication with ECM/PCM
• U0293 – Lost Communication with Hybrid Control Unit

Body Control Codes

• B1102 – Driver Airbag Circuit Fault
• B1620 – Smart Key Communication Error

And thousands of additional diagnostic codes, wiring diagrams, testing procedures, repair specifications, maintenance schedules, and service procedures.

Who Is This Manual For?

This manual is ideal for:

• Hyundai dealership technicians
• Hybrid vehicle service specialists
• Professional automotive workshops
• Independent repair garages
• Mobile mechanics
• Fleet maintenance teams
• Automotive students
• DIY vehicle owners

If you are diagnosing, servicing, maintaining, or repairing the 2017 Hyundai SONATA Hybrid (LF HEV) G 2.0 HEV, this factory workshop manual provides the detailed procedures, specifications, wiring diagrams, high-voltage safety instructions, and troubleshooting information needed to perform the job correctly.