hi, i dont think so, the s/n is usually stamped on the side of the radio and is very small to see and usually begins with GM, hope this helps....
daffy
May 2013
Code needed for for phillips car 400 car stereo. i was told most stereos have a 12 or 14 digit serial no but mine is 326559176. This number is directly under the word "Phillips". Have I the right number??
PJ
March 2013
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