How to code Lane Assist for VW, Seat and Skoda? (Lane Assist Coding Guide)

What is Lane Assist?

First of all, let's learn what Lane Assist is for. It helps prevent accidents caused by unintentional lane departure and increases driving safety. When the system detects that the vehicle will unintentionally drift out of its lane, it not only warns the driver visually, but also takes over the steering wheel temporarily and gently steers the vehicle towards the current lane.

You learned what a Lane Assist is for. Alright. Let's find out if it will open in your car.

All risk is yours. We do not accept responsibility. So please be very careful! If you are an OBDEleven user, first of all, take a complete backup of your car. This coding is compatible for cars produced on MQB Platform. Example: Passat B8, Golf 7, Octavia A7, Leon 5F, Audi A3 8V...

Activate Lane Assist

Let's code

Required: A tablet or phone with OBDEleven installed. Or a PC with VCDS installed. Control module "A5 Front Sensor" in your car.

1- Select Control Module "17 - Instruments" and go to "Long Coding"

• Byte 4 - Bit 6
• Byte 11 - Bit 1 and Do It!

2- Select Control Module "A5 - Front Sensor" and go to "Long Coding"

• Byte 16 - Bit 7 and Do It! But don't exit the control module. We're not done here yet.

3- Go to Security Acces: "20103". Then go to Adaptation and make these changes:

• HCA_On_State = "Menu"
• HCA_Warning_Intensity = "Menu"
• BAP Personalization = "Not Activated"
• Point_of_Intervention(if available) = "Late"

4- Go to Control Module "44 - Steering Assist" - Enter security access: "19249"

• Long Coding - Byte 0 Bit 4 and Do It!

5-Go to Control Module "5F -Information Electr" - Adaptation

• Car_Function_Adaptations_Gen2>menu_display_Lane_De parture_Warning = Set Value to “Activated”  
• Car_Function_Adaptations_Gen2>menu_display_Lane_De parture_Warning_over_threshold_high = Set Value to “Activated” 
• Car_Function_List_BAP_Gen2>LDW_HCA_0x19> Set Value to “Activated” 
• Car_Function_List_BAP_Gen2-LDW_HCA_0x19_msg_bus> Set Value to “Terminal 15” 

Yes, that's it. You will see errors related to Lane Assist on the screen. Don't be afraid. Lock your car, go home, make yourself a cup of coffee, and after 20 minutes go back to your car. Now you have a semi-autonomous car too :) See you on the next blog. Take care of yourself...

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