Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b2803 epb operation prohibit

Subaru Legacy BN/BS (2015-2019) Service Manual / Eyesight (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b2803 epb operation prohibit

EPB operation is prohibited.

In addition, in VDC brake maintenance mode VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) > MAINTENANCE MODE, even if any DTC is detected, the system malfunction does not exist. Therefore, perform Clear Memory Mode. Clear Memory Mode

NOTE:

Check the VDC. Basic Diagnostic Procedure > PROCEDURE

Dtc b2804 epb no activity detected

EPB control is abnormal.NOTE:Check the VDC. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0140 lost communication with body control module

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

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Dtc b1837 short in curtain airbag lh squib circuit (to ground)
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:GND short circuit failure (shorted to ground in main harness, shorted to ground in curtain airbag LH, shorted to ground in airbag CM internal circuit)CAUTION:Before performing diagnosis, refer to “CAUTION” ...