Subaru Crosstrek Service Manual: Dtc u0100 lost communication with ecm/pcm a
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”
Detected when CAN data from the engine control module (ECM) does not arrive.
NOTE:
Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">
Dtc u1120 lost communication with autostart stop control module
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULEDetected when CAN ...
Other materials:
Rocking the vehicle
If you must rock the vehicle to free it from
snow, sand, or mud, depress the accelerator
pedal slightly and move the shift
lever/select lever back and forth between
"1"/"D" and "R" repeatedly. Do not race the engine. For the best possible
traction,
avoid spinning the wheels when trying to
fr ...
Inspection
VEHICLE DYNAMICS CONTROL (VDC) > VDC OFF SwitchINSPECTION1. Disconnect the VDC OFF switch connector.2. Check the resistance between the VDC OFF switch terminals.PREPARATION TOOL:Circuit testerTerminal No.Inspection conditionsStandard2 — 3Switch OFF1 M? or moreSwitch ONLess than 1 ?3. Replace th ...
Dtc p0122 throttle/pedal position sensor/switch "a" circuit low
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0122 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOWDTC detecting condition:Immediately at fault recognitionTrouble symptom:• Improper idling• Engine stall• Poor driving perf ...
