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.
2012 Audi TT RSFACTORY OEM SERVICE PROCEDURE
2.5L - Generic Scan Tool - Engine Code(S): CEPB (Coupe)
- St Generic Scan Tool
- General Information
- Description And Operation
- Diagnosis And Testing
- 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
- Notes
- Monitor-Id $01 (01): Oxygen Sensor Monitor Bank 1 - Sensor 1
- Monitor-Id $02 (02): Oxygen Sensor Monitor Bank 1- Sensor 2
- Monitor-Id $21 (33): Oxygen Storage Content Of Catalyst
- Monitor-Id $35 (53): Variable Valve Timing Monitor
- Monitor-ID $3A (58): Fuel Tank EVAP System Integrity/Leak Test (0.90)
- Monitor-Id $3B (59): Fuel Tank EVAP System Integrity/Leak Test (0.40)
- Monitor-Id $3C (60): Fuel Tank EVAP System Integrity/Small Leak Test (0.20)
- Monitor-Id $3D (61): EVAP Purge Flow Monitor
- Monitor-Id $41 (65): Oxygen Sensor Heater Monitor Bank 1 - Sensor 1
- Monitor-Id $42 (46): Oxygen Sensor Heater Monitor Bank 1 - Sensor 2
- Monitor-Id $A2 (162): Mis-Fire Cylinder 1 Data
- Monitor-Id $A3 (163): Mis-Fire Cylinder 2 Data
- Monitor-Id $A4 (164): Mis-Fire Cylinder 3 Data
- Monitor-Id $A5 (165): Mis-Fire Cylinder 4 Data
- Monitor-Id $A6 (166): Mis-Fire Cylinder 5 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
- DTC Tables
- Diagnostic Procedures
- Fuel Pump Voltage Supply, Checking
- Fuel Pump Pressure, Checking
- Fuel Pump Delivery Rate, Checking
- Fuel Pump Electrical, Testing
- Fuel Pressure Sensor, Checking
- Fuel Metering Valve, Checking
- EVAP System, Checking For Leaks
- EVAP Canister Purge Regulator Valve 1, Checking
- Exhaust Flap Valve 1, Checking
- Exhaust Gas Temperature Sensor 1, Checking
- Intake Air Temperature Sensor And Manifold Absolute Pressure Sensor, Checking
- Intake Manifold Runner Position Sensor, Checking
- Leak Detection Pump, Checking
- Low Fuel Pressure Sensor, Checking
- Turbocharger Recirculating Valve, Checking
- Charge Air Pressure Sensor / Intake Air Temperature Sensor 2, Checking
- WASTEGATE Bypass Regulator Valve, Checking
- Accelerator Pedal Position Sensor / Accelerator Pedal Position Sensor 2, Checking
- Throttle Valve Control Module, Checking
- Heated Oxygen Sensor, Checking
- Oxygen Sensor Heater, Checking
- Oxygen Sensor After Catalytic Converter, Checking
- Oxygen Sensor 1 After Catalytic Converter Heater, Checking
- Engine Coolant Temperature Sensor 1 Or 2, Checking
- Ambient Air Temperature Sensor, Checking
- Engine Speed Sensor, Checking
- Fuel Injectors, Checking
- ECM Voltage Supply, Checking
- Engine Component Power Supply Relay, Checking
- Catalytic Converter, Checking
- Secondary Air Injection Combination Valve, Checking
- Secondary Air Injection Pump Motor, Checking
- Secondary Air Injection Pump Relay, Checking
- Secondary Air Injection Solenoid Valve, Checking
- Secondary Air Injection Sensor 1, Checking
- Camshaft Position Sensor, Checking
- Camshaft Position Sensor 3, Checking
- Camshaft Adjustment Valve, Checking
- Camshaft Adjustment Valve 1, Exhaust
- Knock Sensor, Checking
- Ignition Coil With Power Output Stage, Checking
- Speed Signal, Checking
- Can Bus Terminal Resistance, Checking
- Can-Bus Terminal Resistance, Transmission Control Module To Engine Control Module, Checking
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.