Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0101 lost communication with tcm

Dtc b2801 tcm abnormal

Detected when error occurs in the automatic transmission.NOTE:Check the automatic transmission. Basic Diagnostic Procedure > PROCEDURE ...

Diagnostics with phenomenon

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Other materials:

Specification
1. TORQUE CONVERTERModel3.6 L non-turboTypeSymmetric, 3-element, single stage, 2-phase torque converterStall torque ratio1.80Nominalmm (in)246 (9.69)Stall speed (at sea level)r/min1,870 — 2,900 (D range)1,750 — 2,750 (R range)One-way clutchSprag type one-way clutch2. OIL PUMPTypeInternal gear pu ...