1987 Corvette ECU EPROM Codes

The following is a list of EPROM Codes for a 1987 Corvette Engine Control Unit.

Prom Broadcast Code (BCC)

Prom Code

Scan ID

Transmission Type

Gear Ratio

Emission Standards

Body Type

HCY

9539

1571

4 Speed Manual

3.07

Federal

Y

HCZ

4423

1581

4 Speed Manual

3.07

Federal

Y

HDA

4427

1591

Automatic

2.59

Federal

Y

HDB

4431

1601

Automatic

3.07

Japan

Y

HDC

4435

1611

4 Speed Manual

3.07

Federal

Y

HDD

4439

1621

4 Speed Manual

3.07

Federal

Y

HDF

4443

1631

Automatic

2.73, 3.07

Federal

Y

HDJ

4457

1651

Automatic

3.07

Federal

Y

HDK

4461

1661

4 Speed Manual

3.07

Federal

Y

ABTB

0315

7741

4 Speed Manual

3.07

Federal, Canada

Y

ABTC

0321

7751

4 Speed Manual

3.07

Federal

Y

ABTD

0731

7761

Automatic

2.59

Federal

Y

ABTF

0735

7771

Automatic

3.07

Federal, Canada, Japan

Y

ABTH

0336

7781

4 Speed Manual

3.07

Federal

Y

ABTJ

0326

7791

4 Speed Manual

3.07

Federal, Canada

Y

ABTH

0739

7801

4 Speed Manual

3.07

Federal

Y

ABTL

0743

7811

Automatic

3.07

Federal

Y

ABTM

0331

7821

4 Speed Manual

3.07

Federal, Europe

Y

ABTP

4757

7841

4 Speed Manual

3.07

Federal

Y

ABTR

4763

7851

4 Speed Manual

3.07

Federal

Y

ABTU

4802

7881

4 Speed Manual

3.07

Federal

Y

ABTW

4806

7891

4 Speed Manual

3.07

Federal

Y

ABWN

8656

8161

Automatic

3.27

Federal

F

ABWT

8674

8201

Automatic

3.27

Federal

F

ABWW

8682

8221

Automatic

2.77

Federal

F

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