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Subaru
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2021
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Forester Base
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transaxle System (Diagnostics)
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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 turbine shaft speed or
Transmission range
10 V or more More than 0 rpm Drive or
Reverse