OE Quality
60-Day Returns

Cardone 77-6243F Engine Control Module
Overview of Cardone Engine Control Module 77-6243F
The Cardone Engine Control Module (ECM) part number 77-6243F is designed for select GM vehicles including Cadillac, Chevrolet, GMC, and Pontiac models. This ECM is engineered to manage engine functions and optimize vehicle performance for models such as the Chevrolet Silverado 1500, GMC Sierra 2500, and Cadillac CTS.
- Direct replacement ECM for compatible GM vehicles
- Compatible with multiple models including Silverado, Sierra, Yukon, and more
- Supports engine management and powertrain control
- Requires proper VIN programming for Chrysler PCM variants with "v" suffix
- Includes support for passive anti-theft system (P.A.T.S.) considerations
Product Line Details: Cardone Engine Control Module
The Cardone Engine Control Module product line focuses on delivering reliable engine management solutions for a range of vehicles. This line includes modules that are designed to meet or exceed OEM specifications, ensuring proper communication with vehicle sensors and control systems. The 77-6243F ECM is part of this line, providing a dependable replacement option for GM trucks and SUVs that require precise engine control and diagnostics.
Detailed Product Description
The Cardone 77-6243F ECM is a critical component for engine and powertrain management in various GM vehicles. It controls fuel injection, ignition timing, and emission systems to maintain optimal engine performance. This module is compatible with models such as the Chevrolet Avalanche 2500, GMC Yukon XL 2500, Pontiac GTO, and Cadillac CTS. It is important to note that some Chrysler PCM units with a "v" suffix require VIN programming to function correctly. Additionally, not all Ford vehicles require a passive anti-theft system reset, but verifying P.A.T.S. compatibility is recommended when replacing the ECM.
Common Issues Addressed by This ECM
- Engine misfires and poor fuel economy
- Check engine light illumination due to faulty ECM
- Starting issues related to powertrain control
- Inconsistent engine performance or stalling
- Communication errors with vehicle sensors
Installation Notes and Tips
- Verify vehicle compatibility with the Cardone 77-6243F ECM before installation
- Ensure VIN programming is completed for Chrysler PCM units with a "v" suffix
- Check if a passive anti-theft system reset is required for your specific vehicle model
- Use a professional diagnostic scanner to clear codes and verify ECM functionality post-installation
- Confirm the correct ECM part number to avoid installation of an incompatible module
Quality Assurance and Warranty
Cardone Engine Control Modules undergo rigorous testing to meet OEM standards for durability and performance. While specific warranty details for part number 77-6243F should be confirmed at the point of purchase, Cardone typically offers limited warranties covering defects in materials and workmanship. Proper installation and programming are essential to ensure the module operates as intended.
This part fits 37 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Cadillac | CTS | 5.7L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Cadillac | CTS | 5.7L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Astro | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Avalanche 2500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Blazer | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Corvette | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Express 1500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Express 2500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Express 3500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | S10 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Silverado 1500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Silverado 2500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Silverado 3500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Suburban 2500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Jimmy | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | GMC | Safari | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | GMC | Savana 1500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | GMC | Savana 2500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | GMC | Savana 3500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Sierra 1500 | 4.3L | V6 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Sierra 1500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Sierra 2500 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Sierra 3500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Sierra 3500 | 8.1L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Sonoma | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module | ||
| 2004 | GMC | Yukon | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Yukon XL 1500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Yukon XL 2500 | 6.0L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
| 2004 | Pontiac | GTO | N/A | with OE # 12586243, 89017739; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Engine Control Module |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.