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International Automotive Technicians Network
Re: GM TECHS On star diagnostic tool?
Posted to Technical Discussion Forum on 1/17/2020

Thanks James it is corroded and we saw a TSB about sealing it around the round inner part.

The code for a grounded issue was in history The code for an open is current. We are getting 4.9 volts one one cable and 4.623 one the other cable.

When ohming out t... Login to read more.