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Subaru
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2012
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Impreza F4-2.0L DOHC
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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U Code Charts
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U0122
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HVAC System (Auto A/C) (Diagnostics)
HVAC System (Auto A/C) (Diagnostics)
DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
Detected when CAN data is not received from VDC.
NOTE:
Perform the diagnosis for LAN system.
Basic Diagnostic Procedure