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.
2013 Chevrolet Corvette Base, 2D Convertible, Standard Trans, Trans Mfr CD 6L85M/MM6FACTORY OEM SERVICE PROCEDURE
Circuit/System Testing
- Verify that there are no DTCs in the BCM.
- If there are any DTCs in the BCM, diagnose those DTCs first.
- Ignition ON. Monitor the Park Switch (Auto) in the BCM Keyless/Remote Start Data with a scan tool. Shift the transmission range selector in and out of Park. Verify that the scan tool display changes between Active and Inactive.
- If the Park Switch (Auto) does not change between Active and Inactive, test or repair the BCM park signal circuit.
- Ignition ON. Monitor the Column Lock Relay Signal in the Chassis Data with a scan tool. Shift the vehicle into Park and turn off the ignition. Verify that the scan tool display changes from Off to On.
- If the BCM Column Lock Relay Signal does not change between OFF and ON, test or repair the steering column lock control circuit.
- If the steering column lock control circuit is OK, test or replace the BCM.
- If all circuits test normal, replace the SCLCM.
Factory Service Tools
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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.
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