[Resolved] Need programming code to activate new key for Peugeot Type 31

2557 views - Last reply: February 18, 2025
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Where do they get the key code to program Peugeot Type 31 keys at the dealer?

Hello! We've developed a VIN-based tool to help you get your key code for the Peugeot Type 31. Check it out here: VIN Key Code Generator.

Replies (4)

My mechanic said this might help with my Peugeot Type 31 key issue.

I’ve been locked out of my Peugeot Type 31 all week. Hope this helps.

Hoping someone can confirm this works for a newer Peugeot Type 31.

Really hoping this unlocks my Peugeot Type 31's mystery code.

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Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
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Key Fob Issues
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Key Programming
Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
Key Fob Issues
Many cars have a resync procedure: 1) Press lock/unlock buttons while near the car 2) Insert key and turn ignition on/off in a specific pattern 3) Use a sequence of button presses. Check your manual for exact steps - procedures vary widely by manufacturer.
Key Tip: Newer cars often require dealer programming for first key replacement
Security Systems
This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
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