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Vz ecu programming

Kulaka1176

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Dec 10, 2017
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Hello, my vz ecu is fried, no suprise there.

I bought a refurbished reset ecu. I also have GM Tech2 with tis2 approval.

The car did not come with any security information nor codes. TAC holden has every security code for the car, but the one I need.

When I put the new ECU in and try to link BCM to PIM/ECU, it requests a 4 digit security number found on the security information card supplied with the vehicle when bought brand new but as it’s second hand it was not provided. It’s not the BCM security but a code labeled just as “SECURITY CODE.”

Does anyone with tech2 experience know either how to view this code through tech2 with tis2 approval or how to change this code?
 

99notout

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I will have a look and get back to you, not too sure of the top of my head.
 

madmatt2006

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Soarer 1jzgtt VH commodore VZ svz
if you know the VIN off the replacement ECU call holden with the VIN they will provide BCM 4 digit code and 6 digit Immo code. I don't have tech2 but if you have a mate with HP tuners hook it up and get vehicle information it will show the VIN of original ECU then hookup replacement ECU do the same then call holden for codes
 
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