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97 deville theft system


joeb

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looking at 97 deville. battery died? owner jumped it and no crank. has theft message? battery might be bad. might be good. could be theft issue. tried 2 different keys. no crank. i suppose the proper way to diagnose is to make sure battery is good and than check codes? owner says tow it. he wants it gone. how do you check battery condition with a no crank/no start issue? put meter on battery? can i run codes with good battery and theft issue?

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the 99sts i looked at had theft issue also. jump purple wire at connector near pass shock tower. my 96sts has vats key. #3. read how to bypass system with resistors.

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the 99sts i looked at had theft issue also. jump purple wire at connector near pass shock tower. my 96sts has vats key. #3. read how to bypass system with resistors.

Yes, if the problem is inside the ignition lock cylinder, you can bypass the system with a known resistor.

The saddest thing in life is wasted talent

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B2710 PASSKey Open/Shorted Pellet

B2711 PASSKey Open/Shorted Pellet After Good Key

B2725 ATC Mode Switch Circuit Malfunction

B2734 Coded Key Controller Memory Failure

B2750 PASSKey Data Communication Failure

B2780 Wrong Resistor Before Good

B2781 Wrong Resistor After Good

B2782 PASSKey Pellet Resistance Not Programmed

B2783 Key Code/Password Corrupted in Memory

The most commonly seen are B2280 and B2281.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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i use the pass heat control/off button to access codes on my 96sts. what do you use on a 97 deville?

See the link in Jim_97_ETC's signature.

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