C4 Corvette RPO Codes

C4 Corvette Regular Production Option (RPO) Codes

The following is a list of Regular Production Option (RPO) Codes for C4 Chevrolet Corvettes from 1984 to 1996. A Regular Production Option (RPO) is General Motors standard coding for vehicle configuration options. These codes are a combination of 3 alphanumeric characters and refer to a specific options or modifications to a vehicle. If any C4 Corvette codes have […]

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 […]

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