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.
Technical data of On Board Diagnostic (OBD)
1999 Audi A8 BaseSECTION Technical data of On Board Diagnostic (OBD)
- DTC memory
- Non-erasable memory, contents are retained even after disconnecting supply voltage.
- Data output
- Rapid data transfer (mode 1)
- Functions:OBD FUNCTIONS - BOSCH 5.3
Function No. Function Go to 01- Check control module version CHECK CONTROL MODULE VERSION 02- Check DTC memory CHECK DTC MEMORY 03- Output Diagnostic Test Mode (DTM) OUTPUT DIAGNOSTIC TEST MODE (DTM) 05- Erase DTC memory ERASE DTC MEMORY 06- End output CAN-BUS, FUNCTION 07- Encode control module ENCODE CONTROL MODULE 08- Read measured value block READ MEASURED VALUE BLOCK
RENDER: 1.0x
NO RELATED
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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.