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Diagnostic Starting Point - Automatic Transmission
Diagnostic Starting Point - Automatic TransmissionBegin the system diagnosis with Diagnostic System Check - Engine Controls. The Powertrain OBD System Check provides the following information:
^ The identification of the control module(s) which commands the system.
^ The ability of the control module(s) to communicate through the serial data circuit.
^ The identification and status of stored diagnostic trouble codes (DTCs).
The use of Diagnostic System Check - Engine Controls identifies the correct procedure for diagnosing the system and where the procedure is located.