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 MANUALSAUDI2025A4 ALLROAD PREMIUM PLUSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSGENERIC SCAN TOOL (DPAA) (GENERAL INFORMATION)
2025 Audi A4 allroad Premium Plus
Generic Scan Tool (DPAA) (General Information)
2025 Audi A4 allroad Premium PlusSECTION Generic Scan Tool (DPAA) (General Information)
- 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, 2025 My
- 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 - Request 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.