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CADILLAC B112 PK3+ TRANSPONDER KEY (ID 48)
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Professional-grade aftermarket transponder key for Cadillac vehicles. This key features the B112 keyway and is equipped with a high-performance ID 48 transponder chip compatible with the PK3+ (Circle +) security system. It provides a reliable and cost-effective replacement for Cadillac owners and automotive professionals.
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🔧 Technical Specifications
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Chip Type ID 48 (PK3+ / Circle +)
Keyway B112
Frequency N/A (Transponder Only)
Blade Material Nickel Plated Brass
Condition New | Aftermarket
Logo No Logo
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✅ Compatibility Checklist
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✅ Cadillac CTS (2003-2007)
✅ Replaces OEM PK3+ Keys
⚠️ IMPORTANT: This is a "PK3+" key. Verify your current key has a "+" symbol inside a circle stamped on the metal blade before ordering.
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🔑 Programming Instructions
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1. This key is NOT self-programmable.
2. The ID 48 transponder chip must be programmed using a diagnostic tool.
3. Take the key to a professional automotive locksmith or Cadillac dealership.
4. The technician will cut the B112 blade and program the chip to your vehicle's computer.
5. Test the key in the ignition to verify engine start.
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📦 What's Included
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• 1× Cadillac B112 PK3+ Transponder Key
• 1× ID 48 Transponder Chip (Pre-installed)
• 1× Uncut B112 Key Blade
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🚚 Shipping & Warranty
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✅ Free shipping on orders over $100
✅ Ships within 1–3 business days
✅ 1-Year Free Return Policy
✅ In Stock — Ready to Ship
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❓ Frequently Asked Questions (FAQ)
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Q1: Does this key include the Cadillac logo?
A: No, this is a high-quality aftermarket key and does not feature any official car brand logos.
Q2: What is the difference between B112 and B115?
A: B112 and B115 refer to different blade profiles. While they may share the same chip type, you must match the physical blade profile to your vehicle's ignition. B112 is standard for the CTS models listed.
Q3: Can a hardware store cut this key?
A: While they can cut the blade, most hardware stores cannot program the ID 48 transponder chip. We recommend visiting an automotive locksmith for complete service.
Q4: Is the transponder chip already inside the key head?
A: Yes, a premium ID 48 chip is pre-installed inside the head of the key.
Q5: Will this work for a 2008 Cadillac CTS?
A: Most 2008+ Cadillac CTS models switched to a different key system or smart key. Please check your blade profile and security system before ordering for 2008+ models.
Q6: What happens if the key doesn't work?
A: We offer a 1-year free return policy. If the key is defective or incompatible (verified before cutting), contact us for a full refund or replacement.
Q7: Does this key include remote entry buttons?
A: No, this is a transponder-only key. It is designed to start the ignition and manually lock/unlock the doors, but it does not have remote keyless entry functions.
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🏷️ Certifications
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🔧 ISO 9001 Certified | 🔒 1-Year Warranty | ✅ ID 48 Chip Verified
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[SKU: Chipkey-B112B] | Keyway: B112
Compatible: 2003-2007 Cadillac CTS Models
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