2011 Audi A8 L Service and Repair Manual

This 2011 Audi A8 L Service & Repair Manual Covers

Engine & Powertrain

• Complete repair procedures for the 3.0L TFSI Supercharged V6 engine (where available)
• Complete repair procedures for the 4.2L FSI V8 engine
• Complete repair procedures for the 6.3L W12 FSI engine (where equipped)
• Market-specific 3.0L TDI V6 engine servicing
• FSI/TFSI direct fuel injection diagnostics
• Supercharger servicing (3.0 TFSI)
• Engine cooling and lubrication system repairs
• Intake and exhaust system servicing
• Emissions control system diagnostics
• 8-speed Tiptronic automatic transmission servicing
• quattro permanent all-wheel drive system
• Center differential servicing
• Front and rear differential repairs
• Driveshaft and axle servicing

Suspension & Steering

• Adaptive Air Suspension diagnostics
• Electronically controlled damping system
• Front and rear multi-link suspension repairs
• Dynamic Steering diagnostics (where equipped)
• Suspension ride height calibration
• Wheel alignment specifications
• Steering rack servicing
• Wheel bearing replacement procedures

Braking Systems

• Hydraulic braking system repairs
• Anti-lock Braking System (ABS)
• Electronic Stability Control (ESC)
• Electronic Parking Brake (EPB)
• Brake Assist diagnostics
• Brake pad and rotor replacement
• Brake caliper servicing
• Brake fluid replacement procedures

Electrical Systems

• Complete factory wiring diagrams
• 12V electrical system diagnostics
• CAN Bus and LIN Bus diagnostics
• Battery Energy Management System
• Gateway control module diagnostics
• Charging and starting system diagnostics
• Fuse and relay identification
• Xenon Plus headlamp diagnostics
• LED daytime running light diagnostics
• Exterior and interior lighting repairs
• Comfort system electronics diagnostics

Driver Assistance Systems

• Adaptive Cruise Control (where equipped)
• Audi Side Assist (Blind Spot Monitoring) (where equipped)
• Audi Lane Assist (where equipped)
• Audi Pre Sense Basic (where equipped)
• Night Vision Assistant diagnostics (where equipped)
• Parking System Plus
• Rear-view camera diagnostics
• Parking sensor diagnostics

Climate Control & HVAC

• Four-zone automatic climate control diagnostics
• Air conditioning system servicing
• Refrigerant specifications
• HVAC control module diagnostics
• Heating and ventilation repairs
• Air quality sensor diagnostics

Body & Interior

• Power windows and door systems
• Central locking system
• Advanced Key (Keyless Entry and Start)
• Soft-close door diagnostics (where equipped)
• Power luggage compartment operation
• MMI Navigation Plus diagnostics
• Audi multimedia interface servicing
• BOSE and Bang & Olufsen premium audio system diagnostics (where equipped)
• Extended rear-seat comfort features (A8 L models)
• Rear seat power adjustment and memory functions
• Heated, ventilated, and massage seat diagnostics (where equipped)
• Rear seat entertainment system diagnostics (where equipped)
• Ambient interior lighting repairs
• Power sunroof diagnostics

Diagnostics & Troubleshooting

• Audi Guided Fault Finding procedures
• Diagnostic Trouble Code (DTC) analysis
• Component testing procedures
• Control module diagnostics
• Module coding and adaptation procedures
• Basic settings procedures
• Service interval reset procedures
• Wiring diagram interpretation

Common Error Codes Covered

This manual contains detailed diagnostic procedures for Audi manufacturer-specific Diagnostic Trouble Codes (DTCs) applicable to the 2011 Audi A8 L.

Engine Codes

• P0087 – Fuel Rail/System Pressure Too Low
• P0101 – Mass Air Flow Sensor Performance
• P0171 – System Too Lean (Bank 1)
• P0300 – Random/Multiple Cylinder Misfire Detected
• P0308 – Cylinder 8 Misfire Detected
• P2006 – Intake Manifold Runner Control Stuck Closed

Transmission Codes

• P0700 – Transmission Control System Malfunction
• P0715 – Input/Turbine Speed Sensor Circuit
• P0722 – Output Speed Sensor No Signal

ABS & Chassis Codes

• C1034 – Ride Height Sensor Fault
• C1146 – Electronic Parking Brake Malfunction
• C10A2 – Air Suspension Compressor Performance Fault

Network Communication Codes

• U0100 – Lost Communication with Engine Control Module
• U1111 – Function Restriction Due to Communication Fault
• U1121 – Missing Message on Data Bus

Body & Driver Assistance Codes

• B1000 – Control Module Incorrectly Coded
• B2000 – Control Module Fault
• C1103 – Adaptive Cruise Control Sensor Fault (where equipped)

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

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 or electrical faults, servicing the supercharged V6, V8, W12, or TDI engine, repairing the quattro drivetrain, troubleshooting the adaptive air suspension, maintaining the luxury comfort systems unique to the A8 L, or servicing the available driver assistance features, this manual provides the factory-approved procedures required to service and repair the 2011 Audi A8 L.