Subaru Crosstrek Service Manual: Dtc u0122 lost communication with vehicle dynamics control module

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

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 with VDCCM is not possible.

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 Vehicle Dynamics Control Module	Lost

Time Needed for Diagnosis: 0.5 seconds

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

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 (D ...

Dtc u0140 lost communication with body control module

CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULENOTE:Refer to “LAN SYSTEM (DIAGN ...

Other materials:

Dtc c1342 rl pressure reducing valve
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C1342 RL PRESSURE REDUCING VALVENOTE:For the diagnostic procedure, refer to “DTC C1362 NORMAL CLOSING VALVE 2”. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C ...

Entering the vehicle while it is running via remote start (models without "keyless access with push-button start system")
1. Unlock the Subaru Ascent using the remote keyless entry system. NOTE If the Subaru Ascent is unlocked manually with a physical key while the alarm system is armed, the alarm will activate and the engine will stop. To deactivate the alarm, perform one of the following actions. Insert the ...

Installation
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Transmission CaseINSTALLATION1. Clean the mating surface of transmission case and converter case.2. Select the reduction gear shim. Reduction Drive Gear > ADJUSTMENT">3. Remove the transmission case, and install the selected reduction gear s ...