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Tag Archives: 1986

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…

1986 Corvette ECU EPROM Codes

Prom Broadcast Code (BCC) Prom Code Scan ID Transmission Type Gear Ratio Emission Standards Body Type AMJ 0499 9401 4 Speed Manual 3.07 N/A Y AANK 1732 2231 700R4 2.59/2.73 Federal Y AANL 4045 2241 700R4 3.07 California/Federal Y AANM 1736 2251 700R4 2.73/3.07 California/Federal Y AARK 3921 3441 4 Speed Manual 3.07 N/A Y…