2022 Audi S4 Service and Repair Manual

This 2022 Audi S4 Service and Repair Manual Covers

Engine & Drivetrain

• 3.0L Turbocharged TFSI V6 (EA839) engine
• Bosch engine management system diagnostics
• Turbocharger inspection and servicing
• Fuel injection and ignition system repairs
• Variable valve timing diagnostics
• Engine cooling and lubrication system servicing
• Exhaust and emissions control system repairs
• 8-speed Tiptronic automatic transmission diagnostics and repair
• quattro permanent all-wheel drive system
• Self-locking centre differential servicing
• Front and rear differential servicing
• Driveshaft and axle repairs

Chassis & Suspension

• S Sport suspension diagnostics
• Adaptive damping suspension servicing (where equipped)
• Dynamic steering diagnostics (where equipped)
• Wheel alignment specifications
• Suspension component inspection and replacement
• Wheel bearing servicing

Braking Systems

• High-performance braking system
• Anti-lock Braking System (ABS)
• Electronic Stability Control (ESC)
• Electronic Brakeforce Distribution (EBD)
• Brake Assist diagnostics
• Electronic Parking Brake (EPB)
• Brake hydraulic system servicing

Electrical & Wiring

• Complete factory wiring diagrams
• CAN Bus, FlexRay, and Automotive Ethernet diagnostics
• Battery Energy Management (BEM)
• Charging and starting system diagnostics
• Body Control Module (BCM)
• Power distribution, fuse, and relay assignments
• Audi Virtual Cockpit Plus diagnostics
• MMI Navigation Plus with MMI Touch diagnostics
• Matrix LED headlamp diagnostics (where equipped)
• Interior and exterior lighting diagnostics

Advanced Driver Assistance Systems (ADAS)

• Adaptive Cruise Assist (where equipped)
• Audi Active Lane Assist
• Audi Side Assist (Blind Spot Monitoring)
• Rear Cross Traffic Assist (where equipped)
• Traffic Sign Recognition (where equipped)
• Park Assist and parking sensors
• Top View Camera System (where equipped)
• Radar and front camera calibration procedures

Air Conditioning & HVAC

• Three-zone automatic climate control diagnostics
• HVAC control module servicing
• Refrigerant recovery and recharge procedures
• Heating and ventilation system repairs

Body & Interior

• Advanced Key (keyless entry and start)
• Power seat adjustment with memory (where equipped)
• Door locking and window control diagnostics
• Interior trim removal and installation
• Exterior body repair procedures
• Airbag (SRS) system diagnostics

Diagnostics & Troubleshooting

• Audi ODIS diagnostic procedures
• Guided Fault Finding (GFF)
• Diagnostic Trouble Code (DTC) troubleshooting
• Control module coding and adaptations
• Component testing procedures
• Post-repair calibration and adaptation procedures

Common Error Codes Covered

This manual provides diagnostic and repair procedures for common Audi manufacturer-specific fault codes, including:

Engine Codes

• P0016 – Crankshaft/Camshaft Correlation
• P0299 – Turbocharger Underboost
• P0300 – Random/Multiple Cylinder Misfire
• P00AF – Turbocharger Boost Control Performance
• P2563 – Turbocharger Boost Control Position Sensor Range/Performance

Transmission Codes

• P0726 – Engine Speed Input Circuit Performance
• P0741 – Torque Converter Clutch Performance
• P17BF – Transmission Control Module Malfunction

ABS & Chassis Codes

• C102D – Wheel Speed Sensor Fault
• C1046 – Steering Angle Sensor Calibration Required
• C10AC – Chassis Sensor Performance Fault

Network Communication Codes

• U0100 – Lost Communication With Engine Control Module
• U1113 – Function Restriction Due to Communication Fault
• U1121 – Missing Message on Data Bus

Driver Assistance System Codes

• C110300 – Radar Sensor Misalignment
• B200FF0 – Front Camera Calibration Required
• U023500 – Lost Communication With Driver Assistance Control Module

The manual also includes hundreds of additional Audi-specific diagnostic trouble codes, guided diagnostic routines, wiring diagrams, module coding procedures, and factory repair instructions.

Who Is This Manual For?

• Audi dealership technicians
• Independent European vehicle repair workshops
• Performance vehicle specialists
• Automotive technicians
• Fleet maintenance professionals
• Experienced DIY mechanics

If you are servicing, maintaining, diagnosing, or repairing a 2022 Audi S4, this factory workshop manual provides the complete procedures and technical information required to perform repairs to Audi factory standards.