Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2801 tcm abnormal

Subaru Legacy BN/BS (2015-2019) Service Manual / Eyesight (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2801 tcm abnormal

Detected when error occurs in the automatic transmission.

NOTE:

Check the automatic transmission. Basic Diagnostic Procedure > PROCEDURE

Dtc b2802 etc abnormal

Detected when error occurs in the electronic throttle control.NOTE:Check the electronic throttle control. Basic Diagnostic Procedure > PROCEDURE Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0101 lost communication with tcm

Detected when CAN data from TCM is not transmitted to stereo camera.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

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Dtc p0171 system too lean bank 1
Refer to DTC P0172 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0172 SYSTEM TOO RICH BANK 11. OUTLINE OF DIAGNOSISDetect fuel system malfunction by the amount of main feedback control.2. EXECUTION CONDITIONSecondary ParametersExecution conditionClosed loo ...