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Tag Archives: 1987

C4 to C5 Corvette VATS Key Decoding Guide 1986 to 2004

C4 to C5 Corvette VATS Key Decoding Guide 1986 to 2004

This guide is designed to help you understand the VATS Key and determine which resistance value your Corvette’s Body Control Module will respond to. If at any time you have questions, please visit our Support section to open up a support ticket. VATS Explained The VATS acronym stands for Vehicle Anti-Theft System and is also…

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…