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

Subaru Crosstrek Service Manual / Continuously variable transmission (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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:

List of diagnostic trouble code (dtc) List
LAN SYSTEM (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)LISTDTCItemContent of diagnosisNoteU1201CAN-HS COUNTER ABNORMALHigh speed CAN communication error Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1201 CAN-HS COUNTER ABNORMAL">U0073CONTROL MODULE COMMUNICATI ...

List of diagnostic trouble code (dtc) List
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)LISTDTCItemContent of diagnosisNoteB1430IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT OPENIn-vehicle air temperature sensor circuit is open. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1430 ...

Driving history registration
The items in the driving history can be registered. To change the items, operate the " " or " " switch, and then push the button. 1. Turn the ignition switch to the "ON" position. 2. Push and hold the button to show the selection screen. 3. After the selection scr ...