HomeCardone 77-6457 Engine Control Module
Part #: 77-6457

Cardone 77-6457 Engine Control Module

Engine Control Module
13 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Engine Control Module
Fitment: Oldsmobile and Buick, Custom Cruiser, Cutlass Salon, Cutlass Supreme, Delta 88, Toronado, Electra, LeSabre, Riviera, 98, and Cutlass Calais
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Reliable Engine Control Module for Buick and Oldsmobile Vehicles

The Cardone Engine Control Module (ECM) part number 77-6457 is designed to provide precise engine management for select Buick and Oldsmobile models. This ECM supports critical vehicle functions and ensures optimal engine performance and emissions control.

  • Compatible with Buick and Oldsmobile models including 98, Custom Cruiser, Cutlass Calais, Cutlass Salon, Cutlass Supreme, Delta 88, LeSabre, Riviera, and Toronado
  • Part number 77-6457 ensures exact fit and function for specified vehicles
  • Supports engine control and powertrain management systems
  • Includes important programming considerations for Chrysler and Ford vehicles
  • Manufactured by Cardone, a trusted brand in automotive control modules

About the Cardone Engine Control Module Product Line

The Cardone Engine Control Module product line focuses on delivering reliable and compatible ECMs for a range of vehicle makes and models. These modules are engineered to meet or exceed OEM specifications, providing accurate engine control and diagnostics. The 77-6457 ECM is part of this line, designed specifically for certain Buick and Oldsmobile vehicles to maintain factory performance standards.

Detailed Product Description

This Cardone ECM 77-6457 is a direct replacement for the original engine control module in select Buick and Oldsmobile vehicles. It manages engine functions such as fuel injection, ignition timing, and emissions control. The module is programmed to communicate with the vehicle’s onboard systems, ensuring smooth operation and compliance with emission standards. It is important to note that some Chrysler PCM units with a "v" suffix require VIN programming, and Ford vehicles may have specific passive anti-theft system (P.A.T.S.) reset requirements. Proper diagnosis and programming are essential when replacing the ECM to avoid starting issues or system errors.

Common Issues Addressed by This ECM

  • Engine stalling or failure to start due to faulty control module
  • Check engine light triggered by ECM malfunction
  • Poor engine performance or irregular idling
  • Transmission shifting problems linked to powertrain control
  • Emission test failures caused by ECM errors

Installation Notes and Tips

  • Verify the part number 77-6457 matches the original ECM before installation
  • Ensure the vehicle’s VIN is programmed into the ECM if required, especially for Chrysler models with a "v" suffix
  • Check for passive anti-theft system (P.A.T.S.) reset procedures on applicable Ford vehicles
  • Use a compatible diagnostic scanner to clear codes and perform relearns after installation
  • Consult vehicle-specific service manuals for detailed installation and programming instructions

Quality Assurance and Warranty

Cardone Engine Control Modules undergo rigorous testing to meet OEM standards for durability and performance. While specific warranty details are not provided here, Cardone typically offers coverage against defects in materials and workmanship. Proper installation and programming are critical to ensure the module functions as intended.

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1985OldsmobileCustom Cruiser5.0LV8N/Awith OE # 1226457; The PROM(s)/CALPACK must be transferred from the original module to the replacement module; Additional relearns (theft, crankshaft, idle, etc) may be required; Engine Control Module
1985OldsmobileCutlass Salon5.0LV8N/Awith OE # 1226457; The PROM(s)/CALPACK must be transferred from the original module to the replacement module; Additional relearns (theft, crankshaft, idle, etc) may be required; Engine Control Module
1985OldsmobileCutlass Supreme5.0LV8N/Awith OE # 1226457; The PROM(s)/CALPACK must be transferred from the original module to the replacement module; Additional relearns (theft, crankshaft, idle, etc) may be required; Engine Control Module
1985OldsmobileDelta 885.0LV8N/Awith OE # 1226457; The PROM(s)/CALPACK must be transferred from the original module to the replacement module; Additional relearns (theft, crankshaft, idle, etc) may be required; Engine Control Module
1985OldsmobileToronado5.0LV8N/Awith OE # 1226457; The PROM(s)/CALPACK must be transferred from the original module to the replacement module; Additional relearns (theft, crankshaft, idle, etc) may be required; Engine Control Module
1984BuickLeSabre5.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Engine Control Module
1984BuickRiviera5.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Engine Control Module
1984Oldsmobile985.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Engine Control Module
1984OldsmobileCustom Cruiser5.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Engine Control Module
1984OldsmobileCutlass Calais5.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Engine Control Module
1984OldsmobileCutlass Supreme5.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Engine Control Module
1984OldsmobileDelta 885.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Engine Control Module
1984OldsmobileToronado5.0LV8N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; 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:

1226457

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