Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1996CORVETTE BASE, 2D COUPE, 5.7 PREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEBODY, CAB CONTROL SYSTEMSCENTRAL CONTROL MODULE
1996 Chevrolet Corvette Base, 2D Coupe, 5.7 P
Central Control Module
1996 Chevrolet Corvette Base, 2D Coupe, 5.7 PSECTION Central Control Module
- Description & Operation
- Self-Diagnostic System
- Diagnosing & Repairing CCM DTCS
- Notes
- DTC 12, On-Board Diagnostics Operational, No Codes
- DTC 13, DIC Switches Open Or Shorted To Battery
- DTC 14, DIC Switches Shorted To Ground
- DTC 16, Ignition 3 Fuse Circuit Open
- DTC 21, Horn Relay Coil Shorted To Batt Or CCM Internal Open
- DTC 22, Rear Defogger Relay Coil Shorted To Battery Or CCM Internal Open
- DTC 24, Courtesy Light Relay Coil Shorted To Battery Or CCM Internal Open
- DTC 25, Courtesy Light Relay Coil Circuit Open Or Shorted To Ground
- DTC 26, LCD Blanking Control Circuit Shorted To Battery Or CCM Internal Open
- DTC 27, LCD Blanking Control CKT Open Or Shorted To Ground
- DTC 31, LCD Data CKT Shorted To Battery Or CCM Internal Open
- DTC 32, LCD Data Circuit Open Or Shorted To Ground
- DTC 33, Data Clock CKT Shorted To Battery Or CCM Internal Open
- DTC 34, Data Clock Circuit Open Or Shorted To Ground
- DTC 35, Data Strobe CKT Shorted To Battery Or CCM INTRNL Open
- DTC 36, Data Strobe Circuit Open Or Shorted To Ground
- DTC 37, "M" Clock CKT Shorted To Battery Or CCM Internal Open
- DTC 38, "M" Clock Circuit Open Or Shorted To Ground
- DTC 51, Pass-Key(R) Invalid Key Detection
- DTC 52, Pass-Key(R) Key Detection Circuit Shorted
- DTC 53, Pass-Key(R) Key Detection CKT Open Or Shorted To Batt
- DTC 54, Feds Fuel Enable Failure
- DTC 61, Pass-Key(R) Key No. 1 Programming Resistance Out Of Range
- DTC 62, Pass-Key(R) Key No. 2 Programming Resistance High
- DTC 63, Pass-Key(R) Key No. 2 Programming Resistance Low
- DTC 71, LCD Dimming Output Circuit Shorted To Battery Or CCM Internal Open
- DTC 72, LCD Dimming Output Circuit Open Or Shorted To Ground
- DTC 73, Led Display Dimming Output Circuit Shorted To Battery Or Or CCM Internal Open
- DTC 74, Led Display Dimming Output CKT Open Or SHRTED To GRND
- DTC 81, Invalid Vehicle Configuration Detected
- Removal & Installation
- Wiring Diagram
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.