Tag Archives: Codes

1990 to 1996 Corvette HVAC Diagnostic Codes

C4 1990 to 1996 Corvette HVAC Diagnostic Codes Explained

1990 to 1996 Corvette models that are equipped with the C68 option code (Automatic, Electronic Air Condition) allow HVAC diagnostic codes to be read from the digital screen on the climate control panel. This feature is useful when attempting to diagnose issues with the A/C system. To learn more about entering the diagnostic mode and…

1985 Corvette RPO Codes

1985 Corvette RPO Codes Banner

The following is a list of Regular Production Option (RPO) Codes for a 1985 Corvette. 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 1985 Corvette codes have…

1984 Corvette RPO Codes

1984 Corvette RPO Codes Banner

The following is a list of Regular Production Option (RPO) Codes for a 1984 Corvette. 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 1984 Corvette codes have…

C6 Corvette Exterior Color Code Charts

C6 Corvette Exterior Color Code Charts Banner

In this article we have created charts to showcase exterior Corvette paint colors from 2005 to 2013. These charts can help convert an exterior color code to a GM, Ditzler PPG, Dupont, RM BASF, Glasurit, Autocolor or Sherwin Williams code. If there is additional information that can be added to this article, comment it below…

C5 Corvette On-Board Diagnostics, Explained.

C5 Corvette On-Board Diagnostics, Explained.

The C5 Corvette is equipped with an on-board diagnostic display feature which is capable of displaying and/or clearing Diagnostic Trouble Codes (DTC). By selecting specific buttons on the driver information display switch, these codes can be displayed on the cluster’s 20 character display unit. This feature allows codes to be read or cleared without the…

C5 Corvette RPO Codes

C5 Corvette Regular Production Option (RPO) Codes

The following is a list of Regular Production Option (RPO) Codes for C5 Chevrolet Corvettes from 1997 to 2004. 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 C5 Corvette codes have…

C5 Interior Trim Color RPO Codes

C5 Interior Trim Color Regular Production Option (RPO) Codes

The following is a list of interior trim colors for the C5 generation (1997 to 2004) of the Chevrolet Corvette. All interior trim color codes include a two digit number followed by a capital I (i). Interior Trim Color Year Range of Interior Trim Color Interior Trim Color RPO Code Black 1997, 1998, 1999, 2000,…

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…

2005 Corvette RPO Codes

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The following is a list of Regular Production Option (RPO) Codes for a 2005 C5 Chevrolet Corvette. 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 2005 Corvette…

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…