Quote:
Originally posted by Flatrater
Gambler is right. The radio which is a computer now knows the vin of your truck if you unplug it it will be locked and will require a visit to the dealer to unlock it.
The theft deterrent system is a feature on all base and uplevel radios. There is no need to program a security code into the radio as in past model years. The theft deterrent system now utilizes class 2 serial data to determine if the radio is in the appropriate vehicle. Each time the radio receives the "run" power mode message, it compares the VIN information it has stored to the VIN information received from a module on the class 2 serial data circuit responsible for transmitting that information. If a mis-match occurs, the radio display will indicate to the user the radio is locked. Once this takes place, a DTC will set, the radio will not respond to any button presses and become inoperative.
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now i didnt know that much, i need to take my truck to you not the dealership for any repairs,thats for sure!