Subaru Crosstrek manuals

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

CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE

NOTE:

Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedures. Basic Diagnostic Procedure">

1. OUTLINE OF DIAGNOSIS

Detect malfunction of CAN communication.

Judge as NG when CAN communication failure occurs with the body integrated unit.

2. EXECUTION CONDITION

Secondary parameters

Execution condition

12 V battery system voltage

≥ 10 V

Measured turbine shaft speed

> 0 rpm

or

Transmission range

Drive or Reverse

3. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria

Threshold Value

CAN data from BIU

Lost

Time Needed for Diagnosis: 2 seconds

Malfunction Indicator Light Illumination: Does not illuminate.

Dtc u0122 lost communication with vehicle dynamics control module
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULENOTE:Refer to “LAN S ...

Dtc p0500 vehicle speed sensor "a" circuit
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0500 VEHICLE SPEED SENSOR "A" CIRCUITDTC DETECTING CONDITION:Immediately at ...

Other materials:

Disassembly
CLUTCH SYSTEM > Clutch PedalDISASSEMBLY1. Remove the clutch switches.2. Remove the clip, assist spring, rod and bushing.(A)Clip(B)Assist spring(C)Assist rod(D)Bushing(E)Clevis pin3. Remove the spring pin and lever.(A)Spring pin(B)Lever4. Remove the clutch pedal and pedal bushings.(A)Clutch pedal( ...

Caution
OCCUPANT DETECTION SYSTEM (DIAGNOSTICS) > General DescriptionCAUTION1. The occupant detection system (passenger seat only) control module and the occupant detection sensor are fixed to the seat cushion frame. Never remove the occupant detection control module or the occupant detection sensor from ...

Dtc p0971 pressure control solenoid "c" control circuit high
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0971 PRESSURE CONTROL SOLENOID "C" CONTROL CIRCUIT HIGHDTC detecting condition:Immediately at fault recognitionTrouble symptom:• Tight corner braking phenomenon occurs.&b ...

© 2016-2021 Copyright www.sucross.com