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Part #: 77-9998F

Cardone 77-9998F Engine Control Module

Engine Control Module
⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Engine Control Module
🚗Fitment: Chevrolet and Pontiac, Cobalt, G4, and Pursuit
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Reliable Engine Control Module for Chevrolet and Pontiac Vehicles

The Cardone Engine Control Module (ECM) part number 77-9998F is designed specifically for select Chevrolet and Pontiac models, including the Cobalt, G4, and Pursuit. This ECM ensures proper engine management and performance by controlling critical engine functions.

  • Compatible with Chevrolet Cobalt, Pontiac G4, and Pontiac Pursuit
  • Part number 77-9998F for precise fit and function
  • Part of Cardone's Engine Control Module product line
  • Supports essential engine control and diagnostics
  • Includes important programming and reset considerations

About the Cardone Engine Control Module Product Line

The Cardone Engine Control Module product line focuses on delivering reliable replacement ECMs that meet or exceed OEM specifications. These modules are engineered to integrate seamlessly with the vehicle's existing systems, providing accurate engine control and diagnostics. The 77-9998F ECM is part of this line, ensuring compatibility and performance for Chevrolet and Pontiac vehicles requiring precise engine management solutions.

Detailed Product Description

The Cardone 77-9998F ECM is a critical component for engine control in Chevrolet Cobalt, Pontiac G4, and Pontiac Pursuit models. It manages fuel injection, ignition timing, and emission controls to optimize engine performance and efficiency. This module is designed to replace the original ECM and restore proper engine function. It is important to note that some ECMs, especially those identified with a "v" suffix in Chrysler vehicles, require VIN programming. While this part is for GM vehicles, similar programming or reset procedures may be necessary depending on the vehicle's security system.

Common Issues Addressed by This ECM

  • Engine misfires or poor performance
  • Check engine light illumination due to ECM faults
  • Starting problems related to engine control
  • Faulty fuel injection or ignition timing control
  • Emission system malfunctions

Installation Notes and Tips

  • Verify the part number 77-9998F matches the original ECM before installation
  • Some vehicles may require VIN programming or security system resets after ECM replacement
  • Use a compatible diagnostic tool to clear codes and perform necessary resets
  • Consult vehicle-specific service manuals for detailed installation procedures
  • Ensure battery voltage is stable during installation to prevent programming errors

Quality Assurance and Warranty

Cardone Engine Control Modules undergo rigorous testing to ensure reliability and compatibility with specified vehicle models. While warranty details are not specified here, Cardone typically offers coverage against defects in materials and workmanship. It is recommended to confirm warranty terms at the time of purchase or with the supplier.

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletCobalt2.2LL4N/Awith OE # 12589998; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Vehicle specific Flash programming required ON the vehicle; Engine Control Module
2005PontiacG4N/Awith OE # 12589998; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Vehicle specific Flash programming required ON the vehicle; Engine Control Module
2005PontiacPursuitN/Awith OE # 12589998; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Vehicle specific Flash programming required ON the vehicle; 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:

12589998

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.