DIAGNOSTIC ITEM 10: Diagnose when the scan tool cannot receive the data sent by the ECM <M/T> or the PCM <A/T>: Function

The diagnostic result demonstrates that "the scan tool cannot receive the sent data from the ECM <M/T> or PCM <A/T>" when the scan tool MB991958 checks the periodically sent data from each ECU and cannot receive the ECM <M/T> or PCM <A/T> data only.