passlock problems
09-25-2014, 08:36 PM
#1
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passlock problems
Need help finding the theft deterrent module on a 99 Yukon . Have replaced cylinder and housing and tried the reset steps but light still on constant and won't start any help thanks
09-26-2014, 07:16 AM
#2
Senior Member
True Car Nut
i would get your pcm tuned by blackbear or similar and have the disable taken out, the stock stuff is very problematic. as for the tdm its behind the heater control area i believe.
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