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Home >> Subaru >> 2023 >> Forester Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Auto Start Stop System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0401: Invalid Data Received From ECM/Pcm "A"

DTC U0401: Invalid Data Received From ECM/Pcm "A"

DTC detecting condition: 

Detected when CAN data from ECM is abnormal.

NOTE: For the diagnostic procedure, refer to "TRANSMISSION (DIAGNOSTICS)". Ref. to TRANSMISSION (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" .
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