Unlock code for 99 gtp

Asked by 99SuperfastGTP Jan 22, 2020 at 04:19 PM about the 1999 Pontiac Grand Prix 4 Dr GTP Supercharged Sedan

Question type: Maintenance & Repair

I have a99 gtp, the radio went into lock mode,I followed
some instructions from a friend who owns same vehicle
my two sets of codes are 312 and 318 I need the unlock 4
digit code , the 800 number that is given on the internet for
delco radio unlock codes is disconnected can anyone
please help ,thanks in advance

1 Answer

10,785

Any GM dealer will be able to do it for you although there are probably less expensive ways of accomplishing it.

Your Answer:

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