1991 Cadillac Fleetwood PCM | ECM | ECU | 4.9L – VIN Programmed & Updated
If you’re looking for a high-quality replacement PCM (Powertrain Control Module), ECM (Engine Control Module), or ECU (Engine Control Unit) for your 1991 Cadillac Fleetwood with a 4.9L engine, Clifford Auto Parts has the perfect solution. Our certified, pre-programmed units come ready for installation with the latest software updates, ensuring your Cadillac performs at its best right from the start.
Key Features:
🔧 Ready to Install
Our 1991 Cadillac Fleetwood PCM, ECM, or ECU arrives pre-programmed with your VIN and the latest software updates. This ensures your vehicle operates smoothly from the get-go, saving you both time and effort. We guarantee that the unit will integrate seamlessly with your car’s existing systems.
⚙️ Simplified Installation
We’ve designed our units for easy, hassle-free installation. For vehicles equipped with Passive Anti-Theft Systems (PATS) or chip keys, a quick visit to a locksmith or dealership may be required for key reprogramming. If your vehicle doesn’t have PATS, you can enjoy a simple plug-and-play installation process without needing additional adjustments.
🛠️ Authentic OEM Quality
Our 1991 Cadillac Fleetwood ECM units are rebuilt to meet or exceed original manufacturer specifications. With OEM-grade components, you can trust in the durability and reliability of every unit. Each ECM undergoes comprehensive testing to ensure it meets the highest industry standards.
Quality Control & Testing:
Each 1991 Cadillac Fleetwood PCM is meticulously rebuilt and tested by our ASE-certified technicians. Our rigorous process ensures that common issues like electrical faults, startup failures, and misfiring are resolved. We perform thorough inspections, including:
- Electrical System Checks: Ensures the PCM can efficiently manage the vehicle’s electrical loads.
- Startup Failures: Diagnoses and repairs issues that cause problems during engine startup.
- Diagnostic Trouble Codes: Guarantees error-free performance for accurate engine monitoring and control.
- Intermittent Starting: Solves sporadic engine start issues caused by faulty PCMs.
- Loss of Power: Improves engine power by addressing malfunctions related to the PCM.
- No Ignition or Injector Pulse: Ensures proper signals for optimal engine operation.
- Poor Fuel Economy: Boosts fuel efficiency by addressing inefficiencies within the ECM.
- Shifting Problems: Manages transmission shifts, ensuring smooth gear changes and preventing erratic behavior.
Why Choose Clifford Auto Parts?
- Industry’s Lowest Prices
- FREE Lifetime Warranty
- FREE Domestic Shipping
- No Core Charge or Return Required – Keep your old unit!
- OEM-Grade Quality – 100% tested and refurbished to meet high standards
- Latest Software Updates Included
- Plug-and-Play Installation – No additional programming required
- ASE-Certified Technicians
- Exceptional Customer Support via email, phone, and live chat
- Google Verified Merchant with over 1500+ 5-Star Reviews
How It Works:
- Place Your Order: Choose the correct 1991 Cadillac Fleetwood PCM, ECM, or ECU for your vehicle on our website. Have your VIN ready for programming.
- Provide Vehicle Information: After your order is placed, we will reach out to collect your VIN and other necessary vehicle details.
- Expert Programming: Our ASE-certified technicians will program your PCM with the latest software updates and your vehicle’s VIN for guaranteed compatibility.
- Quality Testing: Every unit undergoes rigorous testing to ensure it functions correctly and addresses common issues like electrical faults and startup problems.
- Fast, Secure Shipping: Your PCM will be securely packaged and shipped with free domestic delivery, ensuring it arrives safely and ready to install.
- Easy Installation: Follow our detailed installation instructions. If your vehicle has PATS, follow the key reprogramming steps or visit a locksmith/dealership for assistance.
Core Return (Optional)
Returning your old PCM is optional but encouraged. By returning it, you help us maintain our stock of rebuildable units and activate your Lifetime Warranty. Use the provided return envelope for an easy process. Visit our Return and Warranty page for more information.
Frequently Asked Questions:
- Warranty Activation: Ship your old 1991 Cadillac Fleetwood PCM back to us to activate your Lifetime Warranty.
- Repair Services: We offer specialized repair services for faulty PCMs. Contact us to see if your unit qualifies.
- Shipping Time: We ship orders within 3-5 business days after we receive your vehicle details.
- Returns: Return parts 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 1991 Cadillac Fleetwood PCM, ECM, or ECU, contact us at:
📧 admin@cliffordautoparts.com
📞 (516)-494-7838