[Solution] 1987 GMC 1500 started once, now asks for PIN - help?

3251 views - Last reply: December 03, 2024
This topic is closed for new replies.

How to retrieve the key code to make keys for my 1987 GMC 1500?

Hello! We've developed a VIN-based tool to help you get your key code for the 1987 GMC 1500. Check it out here: VIN Key Code Generator.

Replies (3)

My 1987 GMC 1500 refuses to start. Could be the key code—trying this fix.

My 1987 GMC 1500 is just sitting there waiting for a miracle like this.

Got a dead key fob for my 1987 GMC 1500. Need the code badly.

Check the news !

Classic & Vintage Car Rally
🚗 Local Meetup: Classic & Vintage Car Rally
Where car culture comes alive in your community

📍 Where: Industrial Park
📅 When: March 1 @ 10AM-5PM

Event features:
Club Displays | Trunk Swap Meet

🔧 Forum Members: Who's going? Sound off in the comments! 👋

🔧 Electrical Diagnostics Lab

👨‍🔧 Instructors:
• Race Engineer Emily Torres
• Detailer Extraordinaire Lisa Wong

🛠️ Hands-On Activities:
• Roll cage installation demo
• 4-hour intensive training
• Personal coaching

📝 Skills Covered:
Color matching | Clear coat application | Scratch repair

🚗 February 25, 2026 at 9:00 AM (4-hour)

🔥 Special discounts on tools for participants!

Workshop: Electrical Diagnostics Lab
Data Logging & Analysis Bootcamp

🔋 Data Logging & Analysis Bootcamp

🧰 Instructor: Classic Muscle Tuner Tom 'Torque' Jenkins

📱 Workshop Includes:
• Common tuning mistake avoidance
• 6-hour comprehensive hands-on training
• Gear ratios | Differential tuning | Driveshaft angles

📉 Bonus: 20% discount on performance parts

🔌 Next Session: February 24, 2026 at 10:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Warning: Cheap parts often cost more in the long run due to failures

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Key Programming
Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
Key Tip: Consider key insurance for expensive smart keys
Key Fob Issues
This typically indicates: weak fob battery (replace first), damaged fob antenna, or issues with your car's receiver (often in the door handle or rearview mirror). Environmental interference from other electronics can also reduce range.
Key Tip: Some locksmiths offer mobile key programming services
Key Programming
Professional key programming requires: diagnostic tools to access the immobilizer system, key code software, transponder programmers, and often proprietary manufacturer equipment. Some locksmiths and all dealers have these tools.
Key Tip: Store your key code separately from your keys
Key Fact: Key fob batteries typically last 3-4 years with normal use

🔑 KEY SERVICES CLASSIFIEDS

Mobile Key Programming Service
$75+
Posted: Feb 9, 2026
Professional car key programming for most makes/models. We come to you! Transponder keys, fobs, and smart keys. Same-day service available. All work guaranteed.
Call: 204-634-5566
Immobilizer System Reset
$95+
Posted: Feb 17, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 377-488-8716
Transponder Key Duplication
$65+
Posted: Feb 10, 2026
Get spare keys made before you lose yours! Cuts and programs most transponder keys on the spot. Cheaper than dealerships. 15+ years experience.
Call: 614-402-6678
Key Fob Case Replacement
$35
Posted: Feb 13, 2026
Cracked or damaged fob housing? We transfer your electronics to a new case. Multiple color options available. Most models in stock. 15-minute service.
Call: 532-866-4247
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
Mar 4, 2026

Mobile Key Programming Clinic

by The Key Lab
Live demonstration of the latest anti-theft technologies and bypass prevention methods
Seminar
Mar 7, 2026

Immobilizer System Seminar

by Fob Fixers
Hands-on experience with the newest transponder key cloning and programming equipment
Workshop
Mar 18, 2026

Transponder Key Tech Day

by VIN Decoder Pros
Step-by-step instruction for repairing common key fob issues including button and circuit problems
Seminar
Mar 3, 2026

Immobilizer System Seminar

by VIN Decoder Pros
In-depth class covering push-to-start systems and proximity key programming techniques

Need immediate service? Call our 24/7 hotline: 1-800-KEY-HELP

Want to list your key service? Join our provider network

Last posts on the forum