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 MANUALSCHEVROLET2001CORVETTE BASE, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULESSELF-DIAGNOSTIC SYSTEMSTARTING/CHARGING SYSTEM DIAGNOSTIC SYSTEM CHECK
2001 Chevrolet Corvette Base, 2D Convertible, Standard
Starting/Charging System Diagnostic System Check
2001 Chevrolet Corvette Base, 2D Convertible, StandardSECTION Starting/Charging System Diagnostic System Check
- Verify battery is fully charged. If battery is fully charged, go to next step. If battery is not fully charged, charge as necessary and recheck system operation.
- Connect scan tool to DLC located under steering column. If scan tool powers up, go to next step. If scan tool does not power up, go to TEST A: SCAN TOOL DOES NOT POWER UP under SYSTEM TESTS.
- Turn ignition on. Attempt to establish communication with Body Control (BCM) and Powertrain Control Modules (PCM). If scan tool communicates with BCM and PCM, go to next step. If scan tool does not communicate with BCM and PCM, go to TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS.
- Using scan tool, check for DTCs stored in BCM or PCM. If no DTCs are stored, repair charging system. See appropriate GENERATORS & REGULATORS article. If any DTCs are stored, go to next step.
- Check for communication DTCs. These DTCs will begin with "U". If no "U" DTCs exist, go to next step. If any "U" DTC exists, go to TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS.
- If scan tool displays DTCs P0562, P0563, P1637 or P1638, see GENERATORS & REGULATORS - CORVETTE article in STARTING & CHARGING SYSTEMS.
- If DTC B1000 is set, go to DTC B1000: ECU MALFUNCTION under DIAGNOSTIC TESTS. If DTC B1000 is not set, go to next step.
- If scan tool displays DTCs B2721, B2722, B2723 or B2735, perform diagnostic tests in ANTI-THEFT SYSTEMS - CORVETTE article. If DTCs are not set, system is operating properly at this time.
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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.