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Home › Subaru › 2020 › Ascent Base › Repair and Diagnosis › Transmission › Automatic Trans › Transaxle (Diagnostics) › Diagnostic Procedure with Diagnostic Trouble Code (DTC) › DTC U0073: Control Module Communication Bus Off › Execution Condition

Execution Condition

Secondary parameters Execution condition
12 V battery system voltage
Measured primary pulley shaft speed
or
Transmission range		 10 V or more
More than 0 RPM
Drive or Reverse
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