Subaru Crosstrek Service Manual: Dtc u0100 lost communication with ecm/pcm a

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

Judgment Value

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:

Specification
REAR SUSPENSION > General DescriptionSPECIFICATIONRefer to “SPECIFICATIONS” in “FRONT SUSPENSION” section for rear suspension specifications. General Description > SPECIFICATION">NOTE:• Front toe-in, rear toe-in and front camber can be adjusted. Adjust if ...

Clear memory mode Operation
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Clear Memory ModeOPERATION1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».3. On «Main Menu» display, select «Each System».4. On «Select System» di ...

How to change the source
The USB Audio playback screen can be reached by the following methods: Connect a USB memory. Refer to "Connecting and disconnecting a USB memory/portable device" Select the "USB/iPod" key on the source select screen. Refer to "Selecting an audio source" Select play mode The play m ...