Subaru Crosstrek Service Manual: Dtc u0401 invalid data received from ecm/pcm a
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0401 INVALID DATA RECEIVED FROM 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 data received from ECM is not normal.
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 | Did not change |
Time Needed for Diagnosis: 2 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Dtc u0164 lost communication with hvac control module
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0164 LOST COMMUNICATION WITH HVAC CONTROL MODULENOTE:Refer to “LAN SYSTEM (DIAGN ...
Dtc u0416 invalid data received from vehicle dynamics control module
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULENOTE:Refer to “LA ...
Other materials:
Dtc p1492 coil 1 egr "a" control circuit low
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P1492 COIL 1 EGR "A" CONTROL CIRCUIT LOWNOTE:For the diagnostic procedure, refer to DTC P1498. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P1498 COIL 4 EGR "A" CONTROL ...
Harness components location Location
WIRING SYSTEM > Harness Components LocationLOCATION(1)Front wiring harness(7)Rear wiring harness RH(12)Front door cord LH(2)Engine wiring harness(8)Rear wiring harness LH(13)Transmission cord(3)Bulkhead wiring harness(9)Roof cord(14)Generator cord(4)Instrument panel wiring harness(10)Rear gate co ...
Dtc u0100 lost communication with ecm/pcm a
TELEMATICS SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”Detected when CAN data from ECM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
