Plymouth Neon 1998-1999 Key Codes

The Plymouth Neon 1998-1999 uses key code series M, with 2,618 documented codes spanning the range M1-M2618. 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. The lock is decodable with a Lishi tool. Sign in for the specific match. Bitting data verified as of August 2, 2026.

Code prefix
M
Code range
M1-M2618
Years
1998-1999
Total codes
2,618
Lishi decodable
Yes (sign in for tool name)
Cuts per key
8
Last verified

Common questions

What key code series does the Plymouth Neon 1998-1999 use?
The Plymouth Neon 1998-1999 uses key code series M, with 2,618 documented codes ranging from M1-M2618.
Can the Plymouth Neon 1998-1999 lock be decoded?
Yes. A Lishi-style 2-in-1 decoder reads the door or ignition lock without disassembly, revealing the bitting code that can be cross-referenced against this series' key code database. The specific Lishi tool match for this vehicle is available to signed-in locksmiths.
How many cuts does a Plymouth Neon 1998-1999 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.
When was the Plymouth Neon 1998-1999 key data last verified?
Bitting data for the Plymouth Neon 1998-1999 was last verified August 2, 2026. Verification timestamps are tracked per series, and updates appear here as locksmiths confirm code accuracy in the field.

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