Cardone
Powertrain Control Module

Cardone 77-3978 Powertrain Control Module

Brand Cardone 77-3978
Connector/Terminal Configuration Pin/Male; Pin/Male; Pin/Male
E-Waste Yes
Housing Material Metal
Product Condition Remanufactured
Product line Powertrain Control Module
Fits Buick, Oldsmobile, and Pontiac · 9 vehicles

Remanufactured unit. Restored to deliver dependable engine control performance.

Metal housing. Adds durable protection for the control module internals.

Powertrain control module. Manages engine control functions in one integrated unit.

Cross-references Pontiac 16183978 for the same application. See all 1.

$151.91Free shipping
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Order total $151.91
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Free returns within 60 days if it doesn't fit when fitment is verified.

Remanufactured PCM for GM 3.1L Applications

This Cardone Powertrain Control Module is a remanufactured engine control module built with a metal housing and pin/male connector terminals. It is engineered for direct replacement use on select Buick Skylark, Oldsmobile Achieva, and Pontiac Grand Am applications from 1993-1995.

Key Features

  • Cardone Powertrain Control Module, part number 77-3978
  • Remanufactured unit with metal housing
  • Pin/male connector and terminal configuration
  • Direct replacement for select 1993-1995 GM compact cars
  • Supports OE-style electronic engine management service

Product Details

The Cardone 77-3978 PCM is a remanufactured control module for vehicles originally equipped with OE part number 16183978. It is used to manage powertrain functions in 1993 Buick Skylark, 1993 Oldsmobile Achieva, 1993 Pontiac Grand Am, and 1994-1995 Buick Skylark, Oldsmobile Achieva, and Pontiac Grand Am applications. This part cross-references Pontiac 16183978 for the same application.

Common Issues This Part Can Address

  • Failed engine control module communication
  • Driveability problems caused by a damaged PCM
  • No-start conditions related to module failure
  • Check engine light concerns tied to PCM faults
  • Electronic control issues after module replacement

Installation Notes

Fits 1994-1995 Buick Skylark, N/A; transfer PROM(s)/CALPACK and perform required relearns after installation. Fits 1994-1995 Oldsmobile Achieva, N/A; transfer PROM(s)/CALPACK from the original module and complete any needed relearns, including theft, crankshaft, and idle procedures. Fits 1994-1995 Pontiac Grand Am, N/A; transfer PROM(s)/CALPACK and perform required relearns. Fits 1993 Buick Skylark, N/A; Fits 1993 Oldsmobile Achieva, N/A; Fits 1993 Pontiac Grand Am, N/A. Verify connector style and OE number before installation.

Quality Assurance

Cardone remanufactured electronic modules are rebuilt to restore serviceable operation for OE-style replacement use. This PCM is listed as an e-waste item and should be handled according to local electronic waste regulations.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
1995BuickSkylark—2.3LL4N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Powertrain Control Module
1995OldsmobileAchieva—2.3LL4N/Awith OE # 16183978; The PROM(s)/CALPACK must be transferred from the original module to the replacement module; Additional relearns (theft, crankshaft, idle, etc) may be required; Powertrain Control Module
1995PontiacGrand AmAutomatic2.3LL4N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Powertrain Control Module
1994BuickSkylark—2.3LL4N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Powertrain Control Module
1994OldsmobileAchieva—2.3LL4N/Awith OE # 16183978; The PROM(s)/CALPACK must be transferred from the original module to the replacement module; Additional relearns (theft, crankshaft, idle, etc) may be required; Powertrain Control Module
1994PontiacGrand AmAutomatic2.3LL4N/ATransfer PROM(s)/CALPACK, and perform any required relearns on new Engine Control Module.; Powertrain Control Module
1993BuickSkylark—2.3LL4N/ARemanufactured Engine Control Module
1993OldsmobileAchieva—2.3LL4N/ARemanufactured Engine Control Module
1993PontiacGrand Am—2.3LL4N/ARemanufactured Engine Control Module
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Pontiac — 16183978