2020 Audi Q5 Service and Repair Manual

This 2020 Audi Q5 Service & Repair Manual Covers

Engine & Powertrain

• Complete repair procedures for the 2.0L TFSI engine
• Complete repair procedures for the 2.0L TDI engine
• Complete repair procedures for the 3.0L TFSI V6 engine (SQ5)
• Complete servicing procedures for the 55 TFSI e plug-in hybrid system
• High-voltage battery diagnostics and safety procedures (PHEV)
• Electric drive module servicing (PHEV)
• Turbocharger diagnostics and servicing
• TFSI and TDI direct fuel injection system diagnostics
• Engine cooling and lubrication system repairs
• Intake and exhaust system servicing
• Gasoline Particulate Filter (GPF) servicing (petrol models)
• Diesel Particulate Filter (DPF) servicing (diesel models)
• 7-speed S tronic transmission servicing
• 8-speed Tiptronic automatic transmission servicing (SQ5)
• quattro ultra and quattro drivetrain repairs
• Differential and driveshaft servicing

Suspension & Steering

• Front and rear five-link suspension repairs
• Adaptive air suspension diagnostics (where equipped)
• Adaptive damping suspension servicing (where equipped)
• Electronic power steering diagnostics
• Wheel alignment specifications
• Wheel bearing replacement procedures
• Suspension component inspection and replacement

Braking Systems

• Hydraulic brake system repairs
• Anti-lock Braking System (ABS)
• Electronic Stability Control (ESC)
• Electronic Parking Brake (EPB)
• Auto Hold system servicing
• Brake Assist diagnostics
• Brake pad and rotor replacement
• Brake caliper servicing
• Brake fluid replacement procedures
• Tyre Pressure Monitoring System (TPMS) diagnostics

Electrical Systems

• Complete factory wiring diagrams
• 12V electrical system diagnostics
• High-voltage electrical system diagnostics (PHEV)
• Battery Energy Management System
• CAN Bus, LIN Bus, and FlexRay diagnostics
• Gateway control module diagnostics
• Charging and starting system diagnostics
• Fuse and relay identification
• LED and Matrix LED headlamp diagnostics (where equipped)

Driver Assistance Systems

• Audi Pre Sense City
• Audi Pre Sense Rear
• Adaptive Cruise Control (ACC)
• Active Lane Assist
• Traffic Jam Assist (where equipped)
• Audi Side Assist (Blind Spot Monitoring)
• Rear Cross Traffic Assist
• Exit Warning System
• Park Assist
• Parking System Plus
• 360-degree Surround View Camera System (where equipped)
• Traffic Sign Recognition (where equipped)
• Front radar sensor calibration
• Front camera calibration
• Parking sensor diagnostics

Climate Control & HVAC

• Three-zone automatic climate control diagnostics
• Air conditioning system servicing
• Refrigerant specifications
• Heat pump system diagnostics (PHEV where equipped)
• HVAC control module diagnostics
• Heating and ventilation repairs
• Air quality sensor diagnostics

Body & Interior

• Power windows and mirrors
• Central locking system
• Advanced Key (Keyless Entry and Start)
• Power tailgate diagnostics
• Audi Virtual Cockpit diagnostics
• MMI Navigation Plus servicing
• Apple CarPlay and Android Auto diagnostics
• Bang & Olufsen 3D Premium Sound System diagnostics (where equipped)
• Heated, ventilated, and memory seat diagnostics (where equipped)
• Ambient interior lighting diagnostics
• Panoramic sunroof servicing
• Instrument cluster diagnostics

Diagnostics & Troubleshooting

• Audi Guided Fault Finding procedures
• Diagnostic Trouble Code (DTC) analysis
• Component testing procedures
• Control module diagnostics
• Coding and adaptation procedures
• Basic Settings procedures
• Service interval reset procedures
• Wiring diagram interpretation
• Driver assistance system calibration procedures
• High-voltage system isolation testing (PHEV)

Common Error Codes Covered

This manual includes comprehensive diagnostic procedures for Audi manufacturer-specific Diagnostic Trouble Codes (DTCs) applicable to the 2020 Audi Q5.

Engine Codes

• P0101 – Mass Air Flow Sensor Performance
• P0171 – System Too Lean (Bank 1)
• P0299 – Turbocharger Underboost Condition
• P0300 – Random/Multiple Cylinder Misfire Detected
• P2002 – Diesel Particulate Filter Efficiency Below Threshold (diesel models)
• P0A80 – Hybrid Battery Pack Deterioration (PHEV)

Transmission Codes

• P0700 – Transmission Control System Malfunction
• P0715 – Input/Turbine Speed Sensor Circuit
• P17BF – S tronic Clutch Adaptation Fault

ABS & Chassis Codes

• C1101 – Wheel Speed Sensor Fault
• C1146 – Electronic Parking Brake Malfunction
• C102D – Steering Angle Sensor Fault

Network Communication Codes

• U0100 – Lost Communication with Engine Control Module
• U1113 – Data Bus Communication Fault
• U1123 – Front Radar Sensor Communication Fault

Driver Assistance & Hybrid System Codes

• B2010 – Front Camera Calibration Required
• C110B – Adaptive Cruise Control Radar Misalignment
• P0AA6 – High Voltage System Isolation Fault (PHEV)

The manual also includes hundreds of additional Audi-specific fault codes, factory wiring diagrams, guided diagnostic procedures, control module coding information, calibration procedures, hybrid system diagnostics, and complete repair instructions.

Who Is This Manual For?

• Audi dealership technicians
• Independent European vehicle repair workshops
• Professional automotive mechanics
• Fleet maintenance departments
• Automotive engineering students
• Experienced DIY Audi owners

Whether you’re performing scheduled maintenance, diagnosing engine, hybrid, or electrical faults, servicing the TFSI, TDI, or SQ5 powertrain, maintaining the plug-in hybrid system, repairing the S tronic or Tiptronic transmission, servicing the available driver assistance systems, or carrying out major mechanical and electrical repairs, this manual provides the factory-approved procedures required to service and repair the 2020 Audi Q5.