DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module

WARNING: This page is about a different variant/trim than selected.

DTC detecting condition:

Defective data from VDC control module & H/U.

Trouble symptom:

ABS warning light and VDC warning light illuminate.

CAUTION:

Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>GENERAL DESCRIPTION>CAUTION .

CHECK CAN COMMUNICATION HARNESS .
Perform the basic diagnostic procedure to check for fault in CAN communication harness. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE .

Was the basic diagnostic procedure performed up to step 7?

Yes: Go to 2.

No: Perform the basic diagnostic procedure. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE .
CHECK DTC (OTHER THAN U-CODE) .
Check the displayed DTC.

Is DTC other than U*** displayed? (Current malfunction)

Yes: Perform the diagnosis for the displayed DTCs other than U-code.

No: Go to 3.
CHECK DTC (U-CODE) .
Check the displayed DTC.

Is DTC for the bus off or the data no-receive displayed? (Current malfunction)

Yes: Perform the diagnosis for DTCs for the displayed bus off or the data no-receive.

No: Go to 4.
CHECK DTC .
Check the displayed DTC.

Is DTC U0416 displayed? (Current malfunction)

Yes: Go to 5.

No: Go to 7.
CHECK DTC .
1. Turn the ignition switch to OFF.
2. Disconnect the VDC control module & H/U connector.
3. Connect the disconnected connectors.
4. Turn the ignition switch to ON.
5. Using the Subaru Select Monitor, read all DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC U0416 displayed? (Current malfunction)

Yes: Go to 6.

No: Go to 7.
CHECK DTC .
Using the Subaru Select Monitor, read all DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>DIAGNOSTIC TROUBLE CODE (DTC) .

Is DTC U0416 detected in several modules? (Current malfunction)

Yes: Replace the VDC control module & H/U. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U) .

No: Replace the module that the DTC has been detected.
CHECK HARNESS .
1. Shake the harness, and check for poor contact.
2. Using the Subaru Select Monitor, read all DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC U0416 displayed? (Current malfunction)

Yes: Repair the poor contact of harness, or replace the harness.

No: Go to 8.
CHECK CONNECTOR .
Check the connector used for high speed CAN for poor contact.

Is there poor contact of connector?

Yes: Repair the connector that has poor contact, or replace harness.

No: It is possible that temporary poor communication occurs. Delete the DTC.