How to Add VW Audi Porsche 5C/5D Key with Yanhua ACDP & Module 44?

This tutorial provides a concise guide to adding a VW, Audi, or Porsche 5C/5D key using the Yanhua Mini ACDP and Module 44. Follow these streamlined steps to complete the programming process efficiently via OBD and ICP modes.

Preparation & Connection

1. OBD Connection: Plug the ACDP into the vehicle's OBD interface using the OBD cable.

2. Ignition: Turn on the ignition and ensure the instrument cluster is lit.

3. Device Binding: Open the ACDP app and confirm the programmer is successfully bound in the top right corner.

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Step 1: Identify Vehicle & Key Information

1. Path: Navigate to VW > VW MQB IMMO(ODO)> MQB49 IMMO(5C/5D).

2. OBD Identify: Select OBD identify info to verify car data.

3. Documentation: Take screenshots of the key ID and quantity for your records.

4. PCF Read: Place the original key into the PCF adapter and click “PCF read key info” to verify its ID.

Note: If prompted, perform an adapter upgrade under "Special Functions> Adapter Upgrade > PCF-KEY Upgrade" before proceeding.

Step 2: ICP Data Reading & Dealer Key Preparation

1. Disassembly: Disassemble both the original and new keys to access the circuit boards.

2. Read Key Data: Connect the original key plate to the interface board and ACDP. Select ICP+OBD add key > VW 5C Magotan >Step 1: ICP read work key, and save the backup file (ensure it ends in .bin).

3. Write New Key: Replace the original key plate with the new blank key plate. Select Step 2: ICP write new key, load the previously saved .bin file, and click Make dealer key.

Step 3: Modify Key ID (Optional but Recommended)

1. Function: Go to Special Function > ICP modify key ID.

2. Adjustment: Enter the "lost" key ID found in your previous OBD screenshots.

3. Purpose: This ensures the vehicle can be programmed normally in the future. Do not modify it to the working key ID.

Step 4: OBD Key Learning

1. Restore: Reassemble the keys with batteries, turn on the ignition, and open the vehicle hood.

2. Start Learning: Select Step 3: OBD Learn key and load the original car data file.

3. Key Quantity: Enter the total number of keys to be learned (e.g., "2").

4. Induction: Place each key near the induction coil one by one as prompted.

5. Confirmation: The instrument cluster will display the learning progress (e.g., 2-2) once complete.

Final Check: Verify that both the original and new keys start the vehicle and operate all remote functions properly.

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