Subaru Crosstrek Service Manual: Dtc b2801 tcm abnormal
EyeSight (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B2801 TCM ABNORMAL
Detected when error occurs in the automatic transmission.
When lost communication with TCM and TCM abnormal occur simultaneously, perform diagnosis for lost communication with TCM first.
NOTE:
Check the automatic transmission. Basic Diagnostic Procedure > PROCEDURE">
Dtc u0101 lost communication with tcm
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Other materials:
Inspection
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Inspection
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