Cardone 77-9462F Engine Control Module

Remanufactured ECM for GM and Cadillac Applications

The Cardone 77-9462F Engine Control Module is a remanufactured ECM built for direct replacement in select Chevrolet, GMC, and Cadillac vehicles. It is engineered to restore proper engine management, drivability, and starting performance when the original module has failed.

Compatible With 2004-2006 Cadillac CTS, 2005-2006 Chevrolet Avalanche 2500, 2005-2006 Chevrolet Express 1500/2500/3500, 2005-2006 Chevrolet Silverado 1500/2500 HD/3500, and select 2005-2006 GMC Savana, Sierra, and Yukon XL 2500 applications.

Key Features

• Remanufactured Original Equipment-style engine control module for proper vehicle fit
• Critical components are re-soldered or replaced at Cardone’s Philadelphia manufacturing plant
• 100% computer tested for functionality and reliability
• On-car vehicle validation is performed to verify durability and performance
• Earth-friendly remanufacturing process reduces energy and raw material use versus new part production

Product Details

Cardone’s Engine Control Module line focuses on restoring OE-level operation by addressing common failure points found in the original unit. Reverse engineering is used to identify design weaknesses that contributed to failure, and the remanufacturing process corrects those issues before the module is returned to service. The result is a replacement ECM for GM truck, van, and SUV platforms that supports accurate engine control and dependable operation.

This part cross-references GM OE number 12589462 for the same application. Part number 77-9462F is commonly searched for Chevrolet Silverado ECM replacement, GMC Sierra ECM replacement, and Cadillac CTS engine control module service.

Common Problems This Part Can Resolve

• No-start or hard-start conditions caused by a failed ECM
• Intermittent drivability issues related to engine control faults
• Check engine light concerns tied to module failure
• Communication or powertrain control problems after ECM damage
• Vehicle performance issues after the original module has deteriorated

Installation Notes

• Fits 2004-2005 Cadillac CTS and 2005-2006 Chevrolet/GMC applications listed above with OE number 12589462.
• Vehicle-specific flash programming is required on or off the vehicle for listed applications.
• Accurate VIN and mileage information are required for programming.
• On-car programming must be completed after installation to avoid drivability and starting issues.
• Before replacing the ECM, verify grounds, power feeds, wiring harness condition, and related solenoids or relays.

Quality Assurance

Each Cardone remanufactured ECM is computer tested and built using corrected internal components to help deliver consistent operation. The product line is backed by Cardone’s remanufacturing process, which is focused on restoring reliable electronic and powertrain control performance.