Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc u0140 lost communication with body control module

Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE

Detected when CAN data from BIU does not arrive.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">

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Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULEDetected when C ...

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Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B2300 REAR RADAR CIRCUIT LOWDTC detecting condition:• Short circuit to ...

Other materials:

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Electrical specification
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Auto A/C Control Module I/O SignalELECTRICAL SPECIFICATIONTerminal No.ContentMeasuring conditionStandard1Mode door actuator #4Digital signal; can not be measured — 2Mode door actuator #3Digital signal; can not be measured — 3Mode door actuator #2Digital ...

Inspection
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Main RelayINSPECTION1. Check that the main relay has no deformation, cracks or other damages.2. Measure the resistance between main relay terminals.Terminal No.Standard1 and 21 M? or more3 and 4130.4 — 230.8 ? (when 20°C (68°F))3. Conn ...

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