99 Tahoe won’t start replaced pass key module and iginition cylinder

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Gahdrider

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99 Tahoe won’t start. Replaced pass key module, ignition cylinder and had dealer cut new key from the vin It will turn over like it wants to start but won’t start. The security light stays on steady. Any ideals?
 
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bunchz71

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99 Tahoe won’t start. Replaced pass key module, ignition cylinder and had dealer cut new key from the vin It still will need not turn over but won’t start. The security light stays on steady. Any ideals?
Please be more clear. It will need not turn over but wont start ?

Fuel Pressure ? Can you hear fuel pump running when key turns on?>
 
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Gahdrider

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When it turns over it sounds like it wants to start but won’t my mechanic checked to ensure the fuel pressure is correct also
 

floater

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Sounds like you've triggered the passlock security feature. You are going to have to go the reset. I'm not sure of the steps so google reset passlock for your truck.
 

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