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.
Section 12 (2.0L - Turbo Generic Scan Tool - MOTRONIC Fuel Injection System, Ignition System, Engine Code: BPG)
2009 Audi A6 BaseSECTION Section 12 (2.0L - Turbo Generic Scan Tool - MOTRONIC Fuel Injection System, Ignition System, Engine Code: BPG)
WARNING: This page is about a different car, the 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- 20 Fuel Supply
- 21 Turbocharger, G-Charger
- 24 Multiport Fuel Injection (MFI)
- Motronic fuel injection system, servicing
- Components, checking
- Oxygen Sensor (O2S) Heater Z19 for Heated Oxygen Sensor (HO2S) G39 before catalytic converter, checking
- Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 , checking
- Mass Air Flow (MAF) Sensor G70 , checking
- Throttle Valve Control Module J338 , checking
- Engine Coolant Temperature (ECT) Sensor G62 , checking
- Intake Air Temperature (IAT) Sensor G42 , checking
- Engine Speed (RPM) Sensor G28 , checking
- Intake Flap Motor V157/Intake Manifold Runner Position Sensor G336 , checking
- Fuel Pressure Sensor G247 , checking
- Low Fuel Pressure Sensor G410 , checking
- Fuel Metering Valve N290 , checking
- Fuel pressure and residual pressure before high pressure pump , checking
- Fuel Injectors N30, N31, N32, N33 , checking
- Checking intake system for leaks (false air)
- Functions, checking
- Engine Control Module (ECM) J623
- Additional signals, checking
- 26 Exhaust system, Emission controls
- 28 Ignition/Glow plug system
- 38 Automatic Transmission - Gears, Hydraulic controls
- Electrical components for regulating transmission O9L, checking
- Electrical components for regulating transmission O9L, checking
- Multi-Function Transmission Range (TR) Switch, checking
- Sensor for transmission RPM, checking
- Sensor for transmission output RPM, checking
- Transmission Fluid Temperature Sensor, checking
- Solenoid valve 1, checking
- Pressure regulator valves, checking
- Transmission Control Module (TCM) J217
- Continuously Variable Transmission (CVT) 01J, checking
- Electrical components for regulating transmission O9L, checking
- ST Generic Scan Tool
- On Board Diagnostic (OBD)
- Diagnostic modes
- Diagnostic Modes Description
- Diagnostic Mode 01: Obtain data
- Diagnostic Mode 02: Obtain operating conditions
- Mode 03: Interrogating fault memory
- Interrogating the Fault Memory
- Diagnostic Mode 04: Reset/delete diagnostic data
- Diagnostic Mode 05: Check lambda test results
- Diagnostic Mode 06: Checking test results of components that are not continuously monitored
- Notes
- Test-ID 01 ($01): Oxygen Sensor Monitor Bank 1 - Sensor 1
- Test-ID 02 ($02): Oxygen Sensor Monitor Bank 1- Sensor 2
- Test-ID 33 ($21): Catalytic Converter Monitoring
- Test-ID 59 ($3B): Fuel Tank EVAP System Integrity/LeakTest (0.40/1.0mm)
- Test-ID 60 ($3C): Fuel Tank EVAP System Integrity/LeakTest (0.20/0.5mm)
- Test-ID 61 ($3D): EVAP Valve Function Check
- Test-ID 65 ($41): Oxygen Sensor Heater Monitor Bank 1 - Sensor 1
- Test-ID 66 ($42): Oxygen Sensor Heater Monitor Bank 1 - Sensor 2
- Test-ID 162 ($A2): Mis-Fire Cylinder 1 Data
- Test-ID 163 ($A3): Mis-Fire Cylinder 2 Data
- Test-ID 164 ($A4): Mis-Fire Cylinder 3 Data
- Test-ID 165 ($A5): Mis-Fire Cylinder 4 Data
- Diagnostic Mode 07: Check test results of components that are continuously monitored
- Diagnostic Mode 08: Tank leak test
- Diagnostic Mode 09: Vehicle information
- Readiness Code
- Diagnostic Trouble Code (DTC) tables
RENDER: 1.0x
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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.