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Home >> Subaru >> 2019 >> Ascent Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transaxle (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0122: Lost Communication With Vehicle Dynamics Control Module >> Execution Condition
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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