Specifications
143
SPECIAL FUNCTIONS
SYSTEM 1—ECU CODING/PIN CODE READ & WRITE
Process for coding Hyundai SYSTEM 1 keys is as follows.
Procedure
1 – First thing to do after communications are established is read the pin code
and make sure this matches the last 5 digits of the chassis number
2 – If the pin code and chassis number match you can program keys normally
entering the pin code
3 – If pin code and chassis number are different then the pin code need to be
changed.
4 – Vehicle must be neutralized before pin change can occur. Select
NEUTRALIZE and let this run through. After the Complete message is dis-
played wait 2 minutes before attempting to change the pin code.
5 – To change pin code follow instructions, when code is changed you should
hear horn sound
6 - After code is changed program keys as before, entering pin code when
prompted.
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