Subaru Legacy BN/BS (2015-2019) Service Manual: General description

Dtc u0122 lost communication with vehicle dynamics control module

Detected when CAN data from VDC CM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Preparation tool

1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed op ...

Other materials:

Electrical specification
1. POWER REAR GATE CONTROL MODULETerminal No.DescriptionMeasuring conditionStandard(R422) No. 1 ←> (R422) No. 9Touch sensorWhen sensor is ON2.7 V or less(R422) No. 2 ←> Chassis ground — — — (R422) No. 3 ←> (R422) No. 9Latch switchWhen rear gate is fully closed9 — 16 V(R422) ...