Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2019S5 PRESTIGE, 2D COUPEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISGENERIC SCAN TOOL (3.0L & 2.9L) (1 OF 3)
2019 Audi S5 Prestige, 2D Coupe
Generic Scan Tool (3.0L & 2.9L) (1 Of 3)
2019 Audi S5 Prestige, 2D CoupeSECTION Generic Scan Tool (3.0L & 2.9L) (1 Of 3)
- St Generic Scan Tool
- General Information
- Description And Operation
- Notes
- On Board Diagnostic Systems
- Evaporative Emission System
- Electronic Throttle Control (Etc) System
- Electronic Power Control (EPC) Warning Lamp
- Engine Control Module (ECM)
- Malfunction Indicator Lamp (Mil)
- Controller Area Network (Can)
- Fuel Supply
- Ignition And Timing
- Variable Valve Timing
- Exhaust-Gas RECIRCULATION (EGR) System
- Secondary Air Injection
- Exhaust Systems
- Diagnosis And Testing
- Notes
- Preliminary Check
- Readiness Code
- Diagnostic Modes 01 - 0A
- Notes
- Diagnostic Mode 01 - Read Current System Data
- Diagnostic Mode 02 - Read Operating Conditions
- Diagnostic Mode 03 - Read DTC Memory
- Diagnostic Mode 04 - Erase DTC Memory
- Diagnostic Mode 05 - Read Oxygen Sensor Monitoring Test Results
- Diagnostic Mode 06 - Read Test Results For Specific Diagnostic Functions - 2020 My
- Notes
- Monitor-ID $01: Oxygen Sensor Monitor Bank 1 - Sensor 1
- Monitor-ID $02: Oxygen Sensor Behind Catalytic Converter Bank 1 - Sensor 2
- Monitor-ID $05: Oxygen Sensor Monitor Bank 2 - Sensor 1
- Monitor-ID $06: Oxygen Sensor Behind Catalytic Converter Bank 2 - Sensor 2
- Monitor-ID $21: Catalytic Converter Monitoring Bank 1
- Monitor-ID $22: Catalytic Converter Monitoring Bank 2
- Monitor-ID $35: Camshaft Adjustment / IVVT Diagnosis Bank 1
- Monitor-ID $36: Camshaft Adjustment / IVVT Diagnosis Bank 2
- Monitor-ID $3C: Fuel Tank EVAP System Integrity / Leak Test (0.020" / 0.5 mm)
- Monitor-ID $3D: Purge Flow monitor
- Monitor-ID $41: Oxygen Sensor Heater Monitor Bank 1 - Sensor 1
- Monitor-ID $42: Oxygen Sensor Heater Monitor Bank 1 - Sensor 2
- Monitor-ID $45: Oxygen Sensor Heater Monitor Bank 2 - Sensor 1
- Monitor-ID $46: Oxygen Sensor Heater Monitor Bank 2 - Sensor 2
- Monitor-ID $81: Fuel System Monitor Bank 1
- Monitor-ID $82: Fuel System Monitor Bank 2
- Monitor-ID $A2: Mis-Fire Detection Cylinder 1 Data
- Monitor-ID $A3: Mis-Fire Detection Cylinder 2 Data
- Monitor-ID $A4: Mis-Fire Detection Cylinder 3 Data
- Monitor-ID $A5: Mis-Fire Detection Cylinder 4 Data
- Monitor-ID $A6: Mis-Fire Detection Cylinder 5 Data
- Monitor-ID $A7: Mis-Fire Detection Cylinder 6 Data
- Diagnostic Mode 07 - Read Faults Detected During The Current Or Last Driving Cycle
- Diagnostic Mode 08 - Request Control Of On-Board System, Test Or Component
- Diagnostic Mode 09 - Read Vehicle Information
- Diagnostic Mode 0A - Check Permanent DTC Memory
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.