HomeCardone 77-5109F Engine Control Module
Part #: 77-5109F

Cardone 77-5109F Engine Control Module

Engine Control Module
11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Engine Control Module
Fitment: Saturn, SC1, SC2, SL, SL1, SL2, and SW2
Easy Returns — Return within 60 days for a full refund
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Overview of Cardone Engine Control Module 77-5109F

The Cardone Engine Control Module (ECM) part number 77-5109F is designed specifically for Saturn vehicles, including models SC1, SC2, SL, SL1, SL2, and SW2. This ECM plays a critical role in managing engine functions and ensuring optimal vehicle performance.

  • Compatible with Saturn SC1, SC2, SL, SL1, SL2, and SW2 models
  • Part number 77-5109F for precise fit and function
  • Part of Cardone's Engine Control Module product line
  • Supports engine management and powertrain control
  • Includes important programming considerations for Chrysler and Ford vehicles

About the Cardone Engine Control Module Product Line

The Cardone Engine Control Module product line focuses on delivering reliable and compatible ECM units tailored to specific vehicle makes and models. This ensures that each module meets the necessary specifications for engine and powertrain control. The 77-5109F ECM is engineered to integrate seamlessly with Saturn vehicles, maintaining factory-level performance and control.

Detailed Product Description

The 77-5109F ECM from Cardone is a direct replacement part designed to manage engine functions such as fuel injection, ignition timing, and emissions control for Saturn SC1, SC2, SL, SL1, SL2, and SW2 models. This module is essential for maintaining proper engine operation and vehicle drivability. It is important to note that certain ECMs, especially those for Chrysler vehicles with a "v" suffix, require VIN programming. Additionally, Ford vehicles may require passive anti-theft system (P.A.T.S.) resets or programming after ECM replacement, though this varies by model. For Saturn vehicles, proper installation and verification of the ECM’s compatibility are critical to avoid issues such as failure to start or engine performance problems.

Common Issues Addressed by This ECM

  • Engine misfires or poor performance due to faulty ECM
  • Vehicle fails to start or intermittent starting problems
  • Check engine light triggered by ECM-related faults
  • Powertrain control errors affecting drivability
  • Communication errors between ECM and vehicle sensors

Installation Notes and Tips

  • Verify the part number 77-5109F matches the original ECM before installation
  • Check for any required VIN programming, especially for Chrysler models with a "v" suffix
  • Confirm if a passive anti-theft system reset is necessary for your vehicle
  • Use a compatible diagnostic tool to clear codes and perform any necessary programming
  • Ensure battery voltage is stable during installation to prevent programming errors

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 77-5109F should be confirmed at the point of purchase, Cardone typically offers warranties that cover defects in materials and workmanship to provide confidence in product reliability.

This part fits 11 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2002SaturnSC1ManualN/Awith OE # 21025109, 21025127; 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
2002SaturnSC2ManualN/Awith OE # 21025109, 21025127; 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
2002SaturnSLManualN/Awith OE # 21025109, 21025127; 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
2002SaturnSL1ManualN/Awith OE # 21025109, 21025127; 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
2002SaturnSL2ManualN/Awith OE # 21025109, 21025127; 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
2001SaturnSC1ManualN/Awith OE # 21025109, 21025127; 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
2001SaturnSC2ManualN/Awith OE # 21025109, 21025127; 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
2001SaturnSLManualN/Awith OE # 21025109, 21025127; 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
2001SaturnSL1ManualN/Awith OE # 21025109, 21025127; 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
2001SaturnSL2ManualN/Awith OE # 21025109, 21025127; 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
2001SaturnSW2ManualN/Awith OE # 21025109, 21025127; 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:

2102510921025127

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