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:
Dtc p2757 torque converter clutch pressure control solenoid control circuit performance/stuck off
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P2757 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT PERFORMANCE/STUCK OFFDTC detecting condition:Detected when two consecutive driving cycles with fault occur.Trouble ...
Inspection
COOLING(H4DO) > Radiator Fan SystemINSPECTIONOperating condition:Vehicle speedA/C compressor loadEngine coolant temperatureIncrease: 98°C (208°F) or lessDecrease: 96°C (205°F) or lessIncrease: 99 — 101°C (210 — 214°F)Decrease: ...
Dtc c1351 normal opening valve 1
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C1351 NORMAL OPENING VALVE 1NOTE:For the diagnostic procedure, refer to “DTC C1362 NORMAL CLOSING VALVE 2”. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1362 ...
