OBD2 Port Anti-Theft Lock for Cummins Duramax Power Stroke Ford Chevy Ram trucks
OBD2 Port Anti-Theft Lock front view
OBD2 Port Anti-Theft Lock installation kit
OBD2 Port Anti-Theft Lock included parts
EGR Performance OBD2 Port Anti-Theft Lock
OBD2 Port Anti-Theft Lock for Cummins Duramax Power Stroke Ford Chevy Ram trucks
OBD2 Port Anti-Theft Lock front view
OBD2 Port Anti-Theft Lock installation kit
OBD2 Port Anti-Theft Lock included parts
EGR Performance OBD2 Port Anti-Theft Lock

OBD2 Port Anti-Theft Lock for 6.7L Cummins / 6.6L Duramax / 6.7L Power Stroke Ford, Chevy & Ram Trucks (1996+)

$45.89
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Details

OBD2 anti-theft lock for Ford, Chevy & Ram trucks. In stock, fast USA shipping.

Block key cloning and ECU hacking on your pickup. This aluminum OBD port lock fits gas (1996+) and diesel (2008+) trucks. In stock now with fast USA shipping.

Brand Model Year Engine Model
Ford F-150 1996–2025 2.7L / 3.5L EcoBoost, 5.0L Coyote
Ford F-250 / F-350 Super Duty 1996–2025 6.7L Power Stroke, 7.3L Godzilla, 6.2L Flex
Chevrolet Silverado 1500 1996–2025 5.3L / 6.2L EcoTec3 V8
Chevrolet Silverado 2500HD / 3500HD 2001–2025 6.6L Duramax LB7–L5P
Ram 1500 1996–2025 5.7L HEMI, 3.6L Pentastar
Ram 2500 / 3500 1996–2025 6.7L Cummins, 6.4L HEMI
GMC Sierra 1500 / 2500HD / 3500HD 1996–2025 5.3L/6.2L EcoTec3, 6.6L Duramax
Toyota Tundra 2000–2025 5.7L i-FORCE V8, 3.4L i-FORCE MAX
The OBD2 Port Anti-Theft Lock is a purpose-built security upgrade for Ford, Chevy, Ram, and GMC truck owners, including popular 6.7L Cummins, 6.6L Duramax, and 6.7L Power Stroke diesel pickups. Thieves can plug a cheap scan tool into an unprotected OBD2 port in seconds, clone your key fob, or reprogram the ECU and drive away without touching the ignition. This one-piece aluminum lock covers and secures the diagnostic port with tamper-resistant fasteners, blocking that access while still allowing authorized service when you need it. It installs without wiring, cutting, or ECU changes and works on nearly every gas vehicle from 1996 and diesel vehicle from 2008 onward. Keep reading to see full fitment, installation steps, and maintenance details.
Shipping Details

Ontario CA / Springdale OH / Newark NJ
Package List
  • 1x OBD2 Port Anti-Theft Lock housing (red)
  • 2x Tamper-proof security screws
  • 1x Specialized security driver bit
Delivery Time

2-5 working days inland in the United States
Attention
Legal Disclaimer EGR DPF Delete Offroad Use Only

LEGAL DISCLAIMER

This product may NEVER be installed on a vehicle registered for highway or public street use. By installing this product onto your vehicle, you assume all risk and liability associated with its use. It is your responsibility to make sure your vehicle complies with all federal, state, and local emissions laws.

Federal and many state and local laws prohibit the removal, modification or rendering inoperative of any part of the design affecting emissions or safety on motor vehicles used on a public street or highway. Violation may result in a fine of up to $32,500 per vehicle (or possibly higher depending on changes in the law). All civil penalties and fines for removing your vehicle's emissions equipment are the sole responsibility of the end user.

No other applications besides off-road competition racing use are intended or implied. Depending on where you live, additional restrictions may apply. Check all applicable laws before installing or using.

Not available for sale or use in the state of California, Colorado and Arizona.

Product details

Product Overview

  • The OBD2 Port Anti-Theft Lock is a hardened metal cover that locks down your truck's diagnostic port.
  • It blocks unauthorized scan tools from key cloning, ECU programming, and OBD-based theft.
  • The lock stays on during daily driving and is removed only with the included security tool for service.
  • It is a fully mechanical, passive device — no wiring, software, or tuner required.
  • It fits most cars, SUVs, and trucks with a standard 16-pin OBD2 port.

Ideal For

  • Towing and Hauling: Protects high-value tow rigs and work trucks from relay and OBD port theft at job sites, hotels, and trailheads.
  • Daily Driving: Secures your pickup during commuting, parking lots, street parking, and service visits.
  • Off-Road Use: The solid aluminum housing shields the OBD2 port from dust, mud, and accidental impact on trails.
  • Commercial Vehicles: Helps protect fleet pickups and work trucks that are regularly parked outside or shared between drivers.
  • Engine Performance Upgrades: A smart finishing piece for tuned and modified trucks whose ECUs are already a target for theft and tampering.
  • Long-Term Vehicle Ownership: Prevents expensive ECU reprogramming, key replacement, and theft-recovery costs over the life of your truck.

Core Advantages

  • Anti-Theft Security: Locked Port + Tamper-Resistant Screws → Blocks key cloning and illegal ECU programming before it starts.
  • Solid Aluminum Build: One-Piece Alloy Housing → Resists prying, impact, and forced removal.
  • Non-Destructive Install: No Wiring or Modification → Protects your truck without affecting the factory warranty or electronics.
  • Service-Friendly Design: Removable with the Included Tool → Dealers and mechanics can still run diagnostics when you authorize it.
  • Universal OBD2 Fitment: Standard 16-Pin Port Compatibility → Works on most gas (1996+) and diesel (2008+) vehicles.
  • All-In-One Kit: Lock, Security Screws, and Specialized Tool Included → Nothing extra to buy before installation.

Technical Specifications

  • Material: High-strength 6061 aluminum alloy, one-piece molded construction
  • Finish: Red anodized, corrosion-resistant surface
  • Weight: Approx. 0.35 lb (0.16 kg)
  • Dimensions: Approx. 2.4" L × 1.6" W × 1.2" H (61 × 41 × 30 mm)
  • Compatibility: Standard 16-pin J1962 OBD2 ports; gas vehicles 1996+, diesel vehicles 2008+
  • Security Hardware: Tamper-proof specialty screws (2 included)
  • Warranty: 1 Year Limited Warranty against manufacturing defects

Why Choose EGR Performance

  • Premium Quality Materials: Aircraft-grade aluminum alloy that resists prying, corrosion, and everyday abuse.
  • Precision Engineering: CNC-formed housing with a tight, rattle-free fit over the factory OBD2 port.
  • Rigorous Testing: Fitment and anti-tamper validation across Ford, Chevy, Ram, and GMC truck platforms.
  • Dedicated Customer Support: Email us at service@egrperformance.com for fitment and installation help.
  • Fast Shipping from USA Warehouse: Stocked domestically for quick delivery to truck owners across the United States.
  • 1 Year Limited Warranty: Full coverage against manufacturing defects for one year.

Troubleshooting and Problem Solving

Common Issues After Installation

  • Scanner Cannot Connect: The lock is likely covering the port or pressing on the connector — loosen, re-seat, and retighten evenly.
  • Loose or Rattling Lock: Security screws need re-tightening; check that the port itself is still mounted securely.
  • Lock Does Not Fit the Port: Some older or relocated ports use a non-standard bracket; verify fitment with your VIN before forcing it.
  • Check Engine Light: This passive lock does not touch vehicle wiring or sensors, so a CEL after install is almost always a pre-existing issue.
  • Reduced Power / Rough Idle: Not caused by this mechanical device; scan for codes after temporarily removing the lock for diagnostics.

Error Code Solutions

This lock adds no electronics and cannot trigger powertrain codes by itself. If codes appear after installation, check the following:

  • U0100 (Lost Communication with ECM/PCM): Remove the lock, confirm the OBD2 connector is fully seated and undamaged, then reinstall.
  • U0073 (Control Module Communication Bus Off): Inspect for a bent or stressed port caused by over-tightened screws; loosen and realign.
  • P0650 / Generic MIL Circuit Codes: Usually pre-existing — clear the code with a scan tool and confirm it returns with the lock removed.

How to Reset Check Engine Light After Installation

  1. Remove the lock using the included security tool.
  2. Plug in an OBD2 scanner and clear stored codes (do not clear codes without recording them first).
  3. Reinstall the lock correctly and start the engine.
  4. Drive for 2–3 normal trips; if the light returns, the issue is unrelated to the lock and should be diagnosed normally.

What to Do If Your Vehicle Loses Power After Installation

  • Do not force the lock or drive with a loose port housing.
  • Remove the lock and inspect the OBD2 connector for bent pins or pinched wiring.
  • Confirm no wiring harness behind the port was disturbed during installation.
  • Reinstall the lock without over-tightening.
  • If the condition persists, contact service@egrperformance.com and consult a qualified mechanic.

Long-Term Maintenance Tips

  • Regular Inspection: Every 5,000–10,000 miles, check that the lock is flush, tight, and free of cracks.
  • Routine Maintenance: Remove the lock once or twice a year, wipe out dust and road grime, and inspect the OBD2 port and pins.
  • Wear Parts Replacement: Replace stripped or damaged security screws promptly; replacement hardware is available through support.
  • Hardware Check: Every oil change, confirm both security screws are snug and the housing cannot be shifted by hand.
  • Storage Tips: Keep the specialized driver in a secure, memorable place — the lock cannot be removed without it.
  • Warranty Reminder: "Following these maintenance guidelines will keep your 1 Year Limited Warranty valid."

This OBD2 Port Anti-Theft Lock fits the standard 16-pin OBD2 port on Ford F-150 and F-250/F-350 Super Duty trucks, including 2.7L and 3.5L EcoBoost, 5.0L Coyote, 6.7L Power Stroke, and 7.3L Godzilla engines; Chevrolet Silverado 1500, 2500HD, and 3500HD models with 5.3L/6.2L EcoTec3 and 6.6L Duramax engines; Ram 1500, 2500, and 3500 trucks with 3.6L Pentastar, 5.7L/6.4L HEMI, and 6.7L Cummins engines; GMC Sierra 1500/2500HD/3500HD; and Toyota Tundra pickups. It also fits most other gas vehicles model year 1996 and newer and diesel vehicles model year 2008 and newer.

  • No modification, tuning, or wiring is required.
  • Exceptions: Vehicles with a relocated, aftermarket, or non-standard OBD2 bracket; damaged or loosely mounted ports; and certain fleet vehicles with a reinforced factory port enclosure may require fitment verification.
  • Emissions note: This is a passive security cover and does not alter emissions systems; it is legal for street use in all 50 states.
  • For 100% fitment confirmation, please send your VIN number to service@egrperformance.com.
  1. Dispatch Time: Orders will be shipped within 24 hours after successful payment.
  2. Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
  3. Return Window:7 days for unsatisfactory items45 days for quality-related issues
  4. Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

What is an OBD2 Port Anti-Theft Lock?

It is a hardened aluminum cover that installs over your truck's OBD2 diagnostic port. It prevents thieves from plugging in scan tools to clone keys or reprogram the ECU.

How does an OBD2 Port Anti-Theft Lock work?

It physically blocks access to the 16-pin port and is secured with tamper-resistant screws that only the included specialized tool can remove. Your own mechanic can still access the port when you provide the tool.

What are the benefits of an OBD2 Port Anti-Theft Lock?

It blocks key cloning and unauthorized ECU programming, resists prying, and costs far less than one key fob replacement or insurance claim. It also protects the port from dust, mud, and impact.

Will an OBD2 Port Anti-Theft Lock void my warranty?

No. It is a non-destructive, mechanical cover with no wiring, tuning, or vehicle modifications. It can be removed at any time without affecting factory systems.

Is an OBD2 Port Anti-Theft Lock legal in my state?

Yes. It is a passive security device that does not alter emissions, engine controls, or safety systems, so it is street-legal in all 50 U.S. states.

Do I need a tuner for an OBD2 Port Anti-Theft Lock?

No tuner, programmer, or software is involved. The lock is fully mechanical and works on stock and tuned trucks alike.

Will this lock affect horsepower or performance?

No. It does not touch the engine, fuel system, or ECU, so horsepower, torque, and drivability remain completely unchanged.

Will this lock affect my MPG?

No. Because it adds no electronics and changes no engine parameters, fuel economy is unaffected.

How long does it take to install an OBD2 Port Anti-Theft Lock?

Most installations take 10–15 minutes under the dashboard with the included security tool. No disassembly of major trim is normally required.

Can I install an OBD2 Port Anti-Theft Lock myself?

Yes, it is designed for DIY installation with basic hand tools. If your port is hard to reach or damaged, professional installation is recommended.

How often should I maintain my OBD2 Port Anti-Theft Lock?

Inspect it every 5,000–10,000 miles and remove it once or twice a year to clean the port and check the screws. Keep the specialized driver stored securely.

Will this OBD2 lock fit my Ford, Chevy, or Ram truck?

It fits any truck with a standard 16-pin OBD2 port, including most gas vehicles from 1996 and diesel vehicles from 2008. Send your VIN to service@egrperformance.com for confirmation.

What is the warranty on this OBD2 Port Anti-Theft Lock?

It is backed by a 1 Year Limited Warranty covering manufacturing defects. Damage from forced removal, accidents, or improper installation is not covered.

Do you offer technical support?

Yes. Email service@egrperformance.com with fitment, installation, or troubleshooting questions, and include your VIN and order number when possible.

How long does shipping take?

Orders ship from our USA warehouse, typically within 1–2 business days, with domestic delivery usually taking 3–5 business days depending on your location.

Can I return this lock if it doesn't fit?

Yes, unused kits in original condition can be returned within our standard return window. Contact support first so we can verify fitment and issue return instructions.

Installation Difficulty Level

Easy

Estimated Installation Time

0.2–0.3 hour (10–15 minutes)

Required Tools

  • Included specialized security driver bit
  • Screwdriver or small driver handle (to hold the bit)
  • Flashlight (helpful for locating the under-dash port)
  • Pliers (optional, for aligning the port)

Step-by-Step Installation Overview

  1. Locate the factory OBD2 port under the driver's side dashboard and inspect the 16-pin connector.
  2. Position the lock housing over the OBD2 port, aligning the mounting points without bending any pins.
  3. Thread the two security screws through the lock and into the port mounting points by hand.
  4. Tighten evenly with the included security tool until the lock is flush and cannot be shifted or pried by hand.
  5. Confirm the port is fully covered, then test that the lock cannot be removed without the specialized tool.

Important Note: No printed installation instructions are included. Professional installation is highly recommended. If you need technical support, please contact us at service@egrperformance.com.