2003 Chevrolet Suburban PCM Replacement for 5.3L Engine
This 2003 Chevrolet Suburban PCM is a guaranteed replacement for all vehicles with a 5.3L engine size. The following part numbers are compatible and interchangeable with this OEM unit:
Part Numbers:
12582605, 12580786, 12582603, 12587806, 12587808, 12589162, 12589463, 12591723, 12591724,
12597118, 12602802, 12605115, 12606570, 12606603, 12606605, 28042802, 89017734 & 89017750.
Ready to Install
Receive your 2003 Chevrolet Suburban ECM, PCM, or ECU pre-programmed with your specific VIN and the latest software updates. This ensures optimal performance from the outset, saving you time and effort. Our precise programming process guarantees seamless integration with your vehicle’s systems.
Simplified Installation
Our units are designed for hassle-free installation. Vehicles with a Passive Anti-Theft System (PATS) or computer chip keys may require a quick visit to a locksmith or dealership for key reprogramming. For vehicles without PATS, enjoy a straightforward, plug-and-play experience, ensuring flawless operation with no additional adjustments.
Authentic OEM Quality
Trust in the reliability of an authentic OEM computer for your 2003 Chevrolet Suburban 5.3L. Our products are rebuilt to meet or exceed original manufacturer specifications, ensuring durability and performance. Each unit undergoes rigorous testing to adhere to the highest standards set by the manufacturer.
Quality Control and Testing
Each 2003 Chevrolet Suburban PCM undergoes meticulous rebuilding, programming, and testing to ensure it meets OEM standards. Our process includes thorough cleaning, detailed inspections, and replacement of any defective components.
We address common issues such as:
- Electrical Issues: Ensures smooth operation of the vehicle’s electrical system.
- Startup Failures: Resolves engine startup problems caused by a faulty PCM.
- Diagnostic Trouble Codes: Our units are error-free, eliminating incorrect error codes.
- Intermittent Starting Issues: Resolves sporadic engine starts.
- Loss of Power: Addresses engine power reduction due to a malfunctioning PCM.
- No Ignition or Injector Pulse: Restores proper engine operation signals.
- Poor Fuel Economy: Improves fuel efficiency.
- Shifting Problems: Ensures smooth and precise transmission shifting.
Why Choose Us:
- Industry’s Lowest Prices
- FREE Lifetime Warranty
- FREE Domestic Shipping with Quick Turnaround Time
- No Core Charge or Return Required
- Guaranteed OEM Products; Refurbished and 100% Tested
- Latest Software Updates Included
- Plug & Play; No Additional Programming Needed
- ASE Certified In-House Technicians
- Readily Available Support Agents (email, phone, live chat)
- Google Verified Merchant, 1500+ 5-Star Reviews ★★★★★
How It Works:
- Place Your Order: Select the correct year, make, and model 2003 Chevrolet Suburban PCM/ECU for your vehicle on our website. Have your VIN ready.
- Provide Vehicle Information: After purchasing, we will reach out to collect your VIN and any additional details needed for programming.
- Expert Programming: Our ASE-certified technicians program the PCM with your VIN and the latest software updates.
- Quality Assurance: Each PCM is tested extensively for common issues, ensuring functionality and quality.
- Secure Shipping: Your PCM is securely packaged and shipped for free with quick turnaround times.
Installation Instructions:
We can provide detailed installation instructions. For vehicles equipped with PATS, follow the key programming steps or visit a locksmith or dealership for assistance.
Core Return (Optional):
Returning your old engine control module is optional. Use the provided return envelope to send it back and activate your lifetime warranty.
Frequently Asked Questions:
- Warranty Activation: To activate your lifetime warranty (optional), ship your old PCM back to us.
- Repair Services: We offer specialized repair services for the 2003 Chevrolet Suburban PCM.
- Returns: Parts can be returned within 30 days for a refund or exchange, provided they are undamaged and in their original condition.
- Shipping Time: Orders are shipped within 3-5 business days after we receive all necessary vehicle information.
Payment Methods:
We accept Visa, Mastercard, American Express, and Discover cards.
For more information or to place an order for your 2003 Chevrolet Suburban ECM, contact us at admin@cliffordautoparts.com or call (516) 494-7838.
