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June 2, 2020 Service bulletin

This informational bulletin provides information for the technicians to clear DTCs and allow the vehicle...

Chevrolet technical service bulletin 20NA123 for 2020 Chevrolet Corvette, 2020 Cadillac CT5 and 2020 Cadillac CT4.

Bulletin number
20NA123
Component
Electrical system
Summary
This informational bulletin provides information for the technicians to clear DTCs and allow the vehicle to go into sleep mode to correct the Malfunction Indicator Lamp (MIL) Illuminated and to stop DTCs setting.

Owners of these vehicles have filed 11 complaints in the electrical category.

Vehicles covered

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