To convince the transmission control module that a working automatic was still installed and clear the fourteen-odd diagnostic codes, [Dean] put together a block of eight common automotive relays.

Get all the news you need in your inbox each morning. To fix the issue, dealers will install a new transmission control module software free of charge and GM will provide a special coverage ...

To resolve the issue, dealers will install an updated transmission control module software at no charge. GM has also initiated a special coverage programme to repair transmissions found to have a ...