[Solved] Do you need a code when changing BCM in 2003 Chevrolet Avalanche 1500?

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Trying to program a spare key - where's the key code on my 2003 Chevrolet Avalanche 1500?

Hello! We've developed a VIN-based tool to help you get your key code for the 2003 Chevrolet Avalanche 1500. Check it out here: VIN Key Code Generator.

Replies (6)

Can’t believe this worked on my 2003 Chevrolet Avalanche 1500. Huge thanks!

Following closely—this could be the fix I need for my 2003 Chevrolet Avalanche 1500.

I have the same 2003 Chevrolet Avalanche 1500 and I'm also trying to find the key code.

I tried this with my 2003 Chevrolet Avalanche 1500 but still no luck. Any suggestions?

I’ll try this and update how it goes with my 2003 Chevrolet Avalanche 1500.

I’ll try this and update how it goes with my 2003 Chevrolet Avalanche 1500.

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