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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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U1120
U1120
DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE
NOTE:
Refer to "LAN SYSTEM (DIAGNOSTICS)" for diagnostic procedures.