Subaru Crosstrek Service Manual: Dtc u0100 lost communication with ecm/pcm a
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”
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 ECM.
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.
Malfunction Criteria | Threshold Value |
CAN data from ECM | Lost |
Time Needed for Diagnosis: 0.5 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Dtc p170a l-range switch
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P170A L-RANGE SWITCHDTC DETECTING CONDITION:Immediately at fault recognitionNOTE:Refer ...
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 ...
Other materials:
Welcome lighting function (if
equipped)
The welcome lighting function turns on the
low beam headlight for smooth approaching
to or exiting from the vehicle at night or
in a dark place.
The function is activated while all of the
following conditions are met.
The light control switch is in the
"AUTO" position
It is dark enoug ...
Dtc c2321 transmitter 1 function code abnormal
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C2321 TRANSMITTER 1 FUNCTION CODE ABNORMALNOTE:Refer to DTC C2324 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2324 TRANSMITTER 4 FUNCTION COD ...
Removal
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Transmission HarnessREMOVAL1. INHIBITOR HARNESS1. Remove the transmission from the vehicle. Automatic Transmission Assembly > REMOVAL">2. Remove the transmission case cover.3. Remove the harness connector from the ground terminal, turbine sp ...
