Steering Lock Module For Audi A6L Q7 J518

After a period of time, Audi A6L / Q7 steering lock module J518 suffer failure. It is a typical problem,the same as Benz ELV steering lock.It will cost you $2000 to repair it

Audi A6L Q7 steering lock module J518 fault result below troubles:

When use key to start you car,it is OK to switch, but the dashboard light off and can not unlock the steering lock,engine will not start. Use car diagnostic tools to read trouble code, sometime after clear the trouble code, you can start engine again, but sometime can`t. And this kind of fault is getting more frequent and frequent.

There are main reasons result in Steering Lock Module J518 trouble:

1. Interior CPU fault
2. Interior relay fault
3. The micro switch damaged
4. Steering wheel lock motor damaged

Here comes the corresponding solutions for J518 Repair

Relay, micro switch, motor fault are easier than the CPU fault.Just replace new one. 
J518 CPU Damage: The most effective way to solve CPU Damage is replacement.You can buy new one with same model number as original to replace old. But you should pay attention to the data in old CPU.Before replacement, you need to use programmer to read and save the data in old CPU,include flash data and eeprom data.Different programmer have different wire connection style.

J518 CPU Model Num: Begin with MC9S12 and end in 1L59W, 3L40K (9S12DG28) and 0L01Y (9S12DG256). Then welding it back on J518,and write the old CPU data in the new CPU.After,assemble it back to car,it ok! No need match the key!

But, The same fault will still frequently comes after a period of time, cause it`s a BUG of original J518 which unable to be full repaired

Now we designed a new replacement for J518 repair, we removed the Relay, micro switch, and motor from the original J518. and Steering column removable.