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.
2015 Audi S6FACTORY OEM SERVICE PROCEDURE
4.0L - Generic Scan Tool - Engine Code: CEUC
- St Generic Scan Tool
- General Information
- Description And Operation
- Diagnosis And Testing
- Preliminary Check
- Readiness Codes
- Diagnostic Modes 01 - 0A
- Notes
- Diagnostic Mode 01 - Read Current System
- Diagnostic Mode 02 - Read Operating Conditions
- Diagnostic Mode 03 - Read DTC Memory
- Diagnostic Mode 04 - Erase DTC Memory
- Diagnostic Mode 06 - Read Test Results For Specific Diagnostic Functions (My-2015)
- Notes
- Monitor-ID ($01): Oxygen Sensor Monitor Bank 1 - Sensor 1
- Monitor-ID ($02): Oxygen Sensor Monitor Bank 1- Sensor 2
- Monitor-ID ($05): Oxygen Sensor Monitor Bank 2- Sensor 1
- Monitor-ID ($06): Oxygen Sensor Monitor Bank 2- Sensor 2
- Monitor-ID ($21): Catalyst monitoring bank 1
- Monitor-ID ($22): Catalyst monitoring bank 2
- Monitor-ID ($35): Cam Shaft Adjustment IVVT diagnosis bank 1
- Monitor-ID ($36): Cam Shaft Adjustment IVVT diagnosis bank 2
- Monitor-ID ($3C): Fuel Tank EVAP System Integrity/Leak Test (0.20/0.5mm)
- Monitor-ID ($3D): EVAP Valve Function Check
- 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 ($71): secondary air system (Bank 1)
- Monitor-ID ($72): secondary air system (Bank 2)
- Monitor-ID ($A2) : Mis-Fire Cylinder 1 Data
- Monitor-ID $A3: Mis-Fire Cylinder 2 Data
- Monitor-ID $A4: Mis-Fire Cylinder 3 Data
- Monitor-ID $A5 : Mis-Fire Cylinder 4 Data
- Monitor-ID $A6 : Mis-Fire Cylinder 5 Data
- Monitor-ID $A7 : Mis-Fire Cylinder 6 Data
- Monitor-ID $A8 : Mis-Fire Cylinder 7 Data
- Monitor-ID $A9 : Mis-Fire Cylinder 8 Data
- Diagnostic Mode 06 - Read Test Results For Specific Diagnostic Functions (My 2012-2014)
- Notes
- Monitor-ID ($01): Oxygen Sensor Monitor Bank 1 - Sensor 1
- Monitor-ID ($02): Oxygen Sensor Monitor Bank 1- Sensor 2
- Monitor-ID ($05): Oxygen Sensor Monitor Bank 2- Sensor 1
- Monitor-ID ($06): Oxygen Sensor Monitor Bank 2- Sensor 2
- Monitor-ID ($21): Catalyst monitoring bank 1
- Monitor-ID ($22): Catalyst monitoring bank 2
- Monitor-ID ($35): Cam Shaft Adjustment IVVT diagnosis bank 1
- Monitor-ID ($36): Cam Shaft Adjustment IVVT diagnosis bank 2
- Monitor-ID ($3C): Fuel Tank EVAP System Integrity/Leak Test (0.20/0.5mm)
- Monitor-ID ($3D): EVAP Valve Function Check
- 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 ($71): secondary air system (Bank 1)
- Monitor-ID ($72): secondary air system (Bank 2)
- Monitor-ID ($A2) : Mis-Fire Cylinder 1 Data
- Monitor-ID $A3: Mis-Fire Cylinder 2 Data
- Monitor-ID $A4: Mis-Fire Cylinder 3 Data
- Monitor-ID $A5 : Mis-Fire Cylinder 4 Data
- Monitor-ID $A6 : Mis-Fire Cylinder 5 Data
- Monitor-ID $A7 : Mis-Fire Cylinder 6 Data
- Monitor-ID $A8 : Mis-Fire Cylinder 7 Data
- Monitor-ID $A9 : Mis-Fire Cylinder 8 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
Factory Service Tools
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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.
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