TCH65 Posted November 16, 2008 Share Posted November 16, 2008 I had a problem with the check engine light coming on with the p0773 electrical short circuit on the tranny solenoid valve.1998 es300. Found out that it wasnt the valve at all it was a problem with the altenator not putting out enough voltage. Changed the altenator and the code went away, i was getting the proper voltage throughout the system. It also made the abs/trac warning lights go off. So check your altenator voltage output from your battery and it should be between 13.5 and 15.1 volts. Quote Link to comment Share on other sites More sharing options...
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