Brandon wrote at 2013-08-26 08:04:43
I have the solution to the Millions of vehicles affected by this failure, its not the Transmission pump, input shaft sensor, output shaft sensor, Selector range sensor, valve body, or solenoids. If you are sick of trying to figure out this problem and are mechanically inclined with a volt meter and basic tools i can help by sending wire colors and diagrams and ultamately guide you through the systematic process of diagnosing a vehicle and then verifying the part is bad. I wanted to post a diagram but it will not let me. it is in the charging system but not alternator! Its in the PCM and its called the (generator field driver) that provades a ground to other components like the (Automatic shut down relay) its an intermitten problem with the PCM unable to provide a source for ground wich in turn confuses the tcm on what to do putting it in fail safe mode. the curcuit loses ground source for a very short second so a noid light, test light, volt meter will work but an ocylliscope would be best... thats why it will go in fail safe at the most random time! it has to be during gear change operation. HARDEST CAR I HAVE EVER DIAGNOSED! 10 YEARS ASE Master Tech. Im not saying that was the only problem with that discription, but its the most unknow fix for the 95% that never were ... i have not heard one tech talk about this! sad! Need help? Just respond
Roland wrote at 2013-08-31 21:35:31
I am not clear as to what exact connection you are referring to and which is the ground that is flaky. Please let me know. Thanks for responding.
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