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Radio locked after disconnecting battery

Whenever I do work on a car I always disconnect the negative battery terminal. I've disconnected the battery on the z several times with no problems. This time when I

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Old 02-22-2019, 10:26 PM   #1 (permalink)
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Default Radio locked after disconnecting battery

Whenever I do work on a car I always disconnect the negative battery terminal. I've disconnected the battery on the z several times with no problems. This time when I started
the car after getting everything put barck together, my base radio just says "system secure. Please contact dealer". I can't interact with it at all. Oddly enough, it reconnects to my phone over Bluetooth, but I can't do anything with it.

Do I really have to let the dealership rape my wallet for them to connect their tool for five minutes to reset my radio?

What caused this this time but never before?
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Old 02-23-2019, 08:44 AM   #2 (permalink)
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From looking around, other posts are poiniting to the dealer route. If you bought the Z used, check to see if the previous owner has the code written down in the owners manual. Maybe its time for an aftermarket stereo upgrade??
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Old 02-23-2019, 09:38 AM   #3 (permalink)
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I'm still confused. Are you saying there is some code that I can put in the radio somehow?
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Old 02-23-2019, 09:50 AM   #4 (permalink)
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I had a Honda accord that would go to security lock whenever the battery was disconnected and I had to enter the unlock code, so I'm pretty sure it's the same with ylthe z. But with the Honda, I was able to google the code, with the z, seems the code is tied in with the S/N. Give the dealership a call and see what 5hey have to say.
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Old 02-23-2019, 11:22 AM   #5 (permalink)
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Cool thanks. I'll report back if anyone else goes through this bs
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Old 02-23-2019, 04:18 PM   #6 (permalink)
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if U disconnect Honda the radio locks, the code was in the gloveboxwith all the other Honda brochures

maybe check Youtube,its amazing what U can find there.
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Old 08-10-2019, 12:03 AM   #7 (permalink)
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Hey were you able to fix this issue? I'm running across the same problem, and the dealer seemed stumped on what to do.
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Old 08-10-2019, 05:16 PM   #8 (permalink)
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Quote:
Originally Posted by WizBiz View Post
Hey were you able to fix this issue? I'm running across the same problem, and the dealer seemed stumped on what to do.
Here in Australia we call call into a dealer, show ID that matches ownership records and they can look up the unlock code (4 or 6 digit PIN) online on the Nissan system

Is a $0 customer service thing - service advisor can do it.
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Old 08-10-2019, 10:45 PM   #9 (permalink)
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Any dealership should be able to get the code for you. Some vehicles, like my old Honda, have the code written on a sticker on the side of the glovebox, so you might check around there first.
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Old 08-11-2019, 12:16 AM   #10 (permalink)
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FSM might tell you where the code sticker/card/whatever is located.
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Old 08-11-2019, 01:28 AM   #11 (permalink)
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had replaced the battery on the z and g37.... radio worked fine afterward. didn't know our cars need security code for the radio.
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