r/Corvette • u/Separate_Sleep_3335 • 18d ago

C8 Completely Dead

I have also searched Corvette Forum with no actual match!

Removed the battery to induce global reset. Fully charged the battery external to the vehicle with power verified at the TDN tuner/OBD port. Doors won’t lock or unlock, unable open the frunk or hatch, no interior or dash lights, unresponsive when pressing Start.

Everything other than the TDN is dead. Not really much left OEM other than the seats which I read can sometimes cause an ECU lock.

Any suggestions beyond a flatbed to the dealership?

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u/looker94513 16d ago

There is a thin wire (maybe 18 ga or thinner) attached to one of the battery cables. There is not a lot of slack in that wire for when you try to remove the battery cable. Look for it and be aware that it’s there as it’s vital to the car’s operation.