Automatic Transmission Powertrain On Board Diagnostic System Check: Description

The powertrain on board diagnostic system check is an organized approach to identify a condition created by an automatic transmission. The powertrain on board diagnostic system check is the diagnostic starting point for an automatic transmission complaint. The powertrain on board diagnostic system check points to next logical step for diagnosing a transmission concern. Perform this check only if there is a driveability complaint or if directed here from another service information section. Following steps will help reduce diagnostic time and help prevent unnecessary replacement of good parts.