2003 Cadillac DeVille PCM | ECM | ECU | 4.6L – Pre-Programmed & Guaranteed
Looking for a reliable replacement PCM (Powertrain Control Module), ECM (Engine Control Module), or ECU (Engine Control Unit) for your 2003 Cadillac DeVille with a 4.6L engine? Clifford Auto Parts offers high-quality, certified units that are pre-programmed with your VIN and include the latest software updates, ensuring smooth integration and top-tier performance from the moment of installation.
Compatible Part Numbers
Our 2003 Cadillac DeVille PCM is compatible with the following OEM part numbers:
12553671, 12562481, 12566975, 12566978, 12566982, 12567178, 12567182, 12567185, 12567187, 12567188, 12567189, 12567929, 12567933, 12567935, 12567936, 12567937, 12568659, 12568665, 12569509, 12570907, 12570909, 12570911, 12570912, 12570913, 12570932, 12570933, 12571591, 12573503, 12573577, 12573650, 12574013, 12574015, 12574016, 12574017, 12574860, 12575913, 12575916, 12575918, 12575922, 12575923, 12576828, 12576831, 12576832, 12577240, 12580378, 12581410, 12582110, 12582113, and 12582114.
Key Features:
🔧 Ready to Install
Receive your 2003 Cadillac DeVille PCM, ECM, or ECU pre-programmed with your specific VIN and the most recent software updates. Our programming process ensures full compatibility with your vehicle’s systems, allowing for a hassle-free, plug-and-play installation.
⚙️ Simplified Installation
Our units are designed for easy installation. For vehicles equipped with Passive Anti-Theft System (PATS), a quick visit to a locksmith or dealership may be required for key reprogramming. If your vehicle doesn’t have PATS, installation is straightforward, requiring no additional adjustments.
🛠️ Authentic OEM Quality
Our 2003 Cadillac DeVille ECMs are built to meet or exceed original manufacturer specifications. Each unit undergoes rigorous testing to ensure it delivers durable performance and reliability for your Cadillac’s 4.6L engine.
Quality Control & Testing
Every 2003 Cadillac DeVille PCM is meticulously inspected, rebuilt, and tested by ASE-certified technicians to meet OEM standards. Our process ensures each unit resolves common issues, such as:
- Electrical Problems: Ensures proper handling of your vehicle’s electrical loads.
- Startup Failures: Solves engine startup issues.
- Diagnostic Trouble Codes: Prevents incorrect error codes, ensuring accurate engine diagnostics.
- Intermittent Starting: Fixes sporadic engine starts related to faulty PCMs.
- Loss of Power: Restores engine power by correcting PCM-related issues.
- No Ignition or Injector Pulse: Ensures proper engine signals for smooth operation.
- Poor Fuel Economy: Improves fuel efficiency by resolving ECM inefficiencies.
- Shifting Problems: Manages transmission shifts, ensuring smooth and precise gear transitions.
Why Choose Clifford Auto Parts?
- Industry’s Lowest Prices
- FREE Lifetime Warranty
- FREE Domestic Shipping
- No Core Charge or Return Required – You keep your old unit!
- Guaranteed OEM Products – Refurbished and 100% tested
- Latest Software Updates Included
- Plug-and-Play Installation – No additional programming needed
- ASE-Certified Technicians
- Top-Notch Customer Support via phone, email, and live chat
- Google Verified Merchant with over 1500+ 5-Star Reviews
How It Works:
- Place Your Order: Select the correct 2003 Cadillac DeVille PCM, ECM, or ECU for your vehicle on our website. Make sure to have your VIN ready for programming.
- Provide Vehicle Information: After placing your order, we will reach out to collect your VIN and any other necessary vehicle information for programming.
- Expert Programming: Our ASE-certified technicians will program your unit with the latest software updates and your vehicle’s VIN to guarantee compatibility and optimal performance.
- Quality Testing: Each unit undergoes rigorous testing to ensure it addresses common issues like electrical faults, start-up failures, and diagnostic trouble codes.
- Fast & Secure Shipping: Your unit will be securely packaged and shipped with free domestic shipping for quick delivery.
- Easy Installation: Detailed installation instructions are provided. For vehicles with PATS, follow the key programming steps or visit a locksmith/dealership for assistance.
Optional Core Return
While returning your old PCM is not required, it helps us maintain our stock of rebuildable units and activates your Lifetime Warranty. Use the provided return envelope for easy returns. Visit our Return and Warranty page for more details.
Frequently Asked Questions:
- Warranty Activation: To activate your Lifetime Warranty, send your old PCM back to us using the provided return envelope.
- Repair Services: We offer repair services for faulty PCMs. Contact us to see if your unit qualifies.
- Shipping Time: Orders typically ship within 3-5 business days after receiving your vehicle information.
- Returns: Parts can be returned within 60 days for a refund or exchange, as long as they are undamaged and in their original condition.
- Payment Methods: We accept Visa, Mastercard, American Express, and Discover.
For more information or to place an order for your 2003 Cadillac DeVille PCM, ECM, or ECU, contact us at:
📧 admin@cliffordautoparts.com
📞 (516)-494-7838
