Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2807 ecm abnormal

Subaru Legacy BN/BS (2015-2019) Service Manual / Eyesight (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2807 ecm abnormal

Detected when cruise indicator illumination request from ECM and ON/OFF information of cruise function do not match.

NOTE:

• Perform check of the ECM. Basic Diagnostic Procedure > PROCEDURE Basic Diagnostic Procedure > PROCEDURE

• Check the ECM cruise control cancel code. ECM Cancel Code(s) Display

Dtc b2809 vdc malfunction

Detected when error occurs in the VDC. (VDC failure)NOTE:Check the VDC. Basic Diagnostic Procedure > PROCEDURE ...

Dtc b2806 ecm abnormal

Detected when error occurs in the engine control module (ECM).NOTE:Perform check of the ECM. Basic Diagnostic Procedure > PROCEDURE Basic Diagnostic Procedure > PROCEDURE ...

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DTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:• Acceleration is poor during standing start.• Shift control malfunction• Engine speed increases abruptly.1. ENGINE TYPE FBSTEPCHECKYESNO1.CHECK TRANSMISSION FLUID.Check the amount of ATF. CVTF > ADJUSTMENTIs ...