The Series 30028 uses key code series GM, with 2,949 documented codes spanning the range GM2001-GM3000. Uses a 8-cut double-sided profile. Set the duplicator to flat-bottom cuts 0.1″ wide. Code is typically stamped on the original key bow or available via the VIN through the dealer.
Code prefix
GM
Code range
GM2001-GM3000
Total codes
2,949
Cuts per key
8
Last verified
Verification pending
Common questions
What key code series does the Series 30028 use?
The Series 30028 uses key code series GM, with 2,949 documented codes ranging from GM2001-GM3000.
How many cuts does a Series 30028 key have?
8 cuts on a double-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.
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