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.
Coding Remote Control Keys
1999 Audi A6 BaseSECTION Coding Remote Control Keys
NOTE:
Every new non-coded remote control key MUST BE coded for the central locking control module. A maximum of 4 remote control keys may be coded. Ignition must be turned off between each coding procedure.
- Turn ignition on. Using scan tool, check display group 007 to see how many keys have been programmed. See FUNCTION MODE 08: READING MEASURED VALUE BLOCK
under SELF-DIAGNOSTIC SYSTEM for displaying value block information. Field 3 of display group 007 (1100 = 2 remote transmitters) shows how many keys are programed and in which positions. See Fig 1
. In this illustration, a key has been programmed in position 1 and 2. The number one indicates a key has been programmed in that position, and the number zero indicates an open position for programming a new key.NOTE: New keys MUST be programmed in an open position, or key previously programmed in that position will no longer operate central locking system.
- Lock vehicle from outside with key to be programmed. Press OPEN on scan tool, within 5 seconds, until open position for programming is reached. In this illustration OPEN must be pressed 3 times within 5 seconds. Each time a button is pressed, emergency flashers will light. Wait 5 seconds.
- Press OPEN again, vehicle will unlock. Check display group 007 to ensure a one is displayed in appropriate position. Turn ignition off.
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.