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help with my radio cd nissan car?

could anyone help i have nissan primera 95 radio cd has locked/not working and showing secure on display can it be fixed
john, May 2010
By integrating the radio in the vehicle’s interior and linking it to the vehicle’s immobilizer system, the possibility

of the audio unit being stolen is effectively reduced. Each time the radio is switched on, the radio will

start up communication with the vehicle’s immobilizer control unit (IMMU) and verify an identification code.

If communication cannot be established, or the verified code is incorrect, the radio will lock up showing

‘‘SECURE’’ on the radio display. If the IMMU is replaced by a new unit, the personal 4-digit security code

will have to be entered. There is no need to enter a personal code after the battery or radio has been disconnected.

meme, May 2010
whoops should have said nissan 2005

john, May 2010
link Click here to see other fixes for Nissan.