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Home >> Subaru >> 2025 >> Forester Wilderness >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Automatic Transaxle System (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0073: Control Module Communication Bus Off >> Execution Condition

Execution Condition

WARNING: This page is about a different car, the 2023 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
Secondary parameters Execution condition
12 V battery system voltage 10 V or more
Measured primary pulley shaft speed More than 0 rpm
or
Transmission range		 Drive or Reverse
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