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:

All-Wheel Drive warning light (CVT models)
This light blinks if the vehicle is driven with tires of differing diameters fitted on the wheels or with an excessively low air pressure in any of the tires. WARNING If the AWD warning light flashes, promptly park in a safe location then check whether all four tires are the same diamete ...

Installation
WIPER AND WASHER SYSTEMS > Rear Wiper ArmINSTALLATION1. Install in the reverse order of removal.2. Operate the rear wiper once.3. Align the blade assembly - rear wiper with the marking on the glass, and then tighten the nut to the specified torque.Tightening torque:8 N·m (0.82 kgf-m, 5.9 f ...

To arm the system using the keyless access function (if equipped)
1. Close all windows and the moonroof (if equipped) 2. Turn the push-button ignition switch to the "OFF" position. 3. Open the doors and get out of the vehicle. 4. Make sure that the engine hood is locked. 5. Close all doors and the rear gate. Door lock sensor Security i ...