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Subaru
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2019
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Ascent Base
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Transaxle (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 primary pulley shaft speed
or
Transmission range
10 V or more
More than 0 RPM
Drive or Reverse