[Answered] Replacing immobilizer module on Chevrolet Silverado 2500HD LT SRW - need to reprogram?

2738 views - Last reply: January 30, 2025
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Looking for my Chevrolet Silverado 2500HD LT SRW's key code to program a new key fob

Hello! We've developed a VIN-based tool to help you get your key code for the Chevrolet Silverado 2500HD LT SRW. Check it out here: VIN Key Code Generator.

Replies (3)

This forum is more helpful than my dealer. Thanks from a Chevrolet Silverado 2500HD LT SRW owner.

I’ve been locked out of my Chevrolet Silverado 2500HD LT SRW all week. Hope this helps.

Trying to reprogram a new key for my Chevrolet Silverado 2500HD LT SRW—need the code first.

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Key Programming
Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
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Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
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An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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