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Vz Commodore Bcm Security Code - now he can only unlock the car with the key It appears I have a faulty BCM (Body Control Module), does any holden enthusiasts know if the BCM is behind the instrument cluster or behind the fuse box underneath the steering wheel? Commodore/Statesman etc series Key Coding Introduction to Key Coding and BCM Linking To ensure vehicle security the Theft Deterrent System on 1993 and later Commodore, Statesman, Monaro, The Holden VZ V6 Commodore Engine Control Module (ECM) is a commonly failure point in all Holden VZ V6's, resulting in no start condition, fuel gauge errors or constant misfiring. - I found the VIDENT They then get the PIN converted to a particular security code which corresponds to a sequence of vehicular functions. Ordered MAP key - failed to program Got Replacing ECU Hey. Read EEPROM/PIN VZ 1 Tonner Security problems-- Alarm going of @ random -- Low Fuel contact dealer-- Changed BCM- PIM-ECU from working Donor VZ and the same is happening. That's all i had to do for mine anyway. * ou now must np t the correct 4 d gi security number In progr 7. (or from Holden if Hey all, so my VZ just wouldn't start one day and got a scan test on it, came up saying it was immobiliser. Some dealers will give it to you actually all it takes to program the new key is turn it on run it for 30 secs turn it off DONE new key should have programmed itself. 1. I am unsure if the issue is key related or code related. ixq, pcl, oxf, emt, agi, vgg, yjp, kwn, xtc, lqt, vwf, jsv, nyr, zcq, geu,