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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> LAN Communication System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U1213 Can-HS VDC Data Abnormal >> Trouble Symptom

DTC U1213 Can-HS VDC Data Abnormal: Trouble Symptom

ABS warning light and VDC warning light illuminate.

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK DTC. 
Using the Subaru Select Monitor, read all DTCs.		 Is there DTC other than CAN system? Perform the diagnosis according to DTCs for other control modules. Go to step 2  .
2 CHECK DTC. 
Check DTC indicated in CAN system.		 Is U1213 a current malfunction? Go to step 3  . Go to step 4  .
3 CHECK DTC. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the VDC CM connector.
  3. Connect the disconnected connectors.
  4. Using the Subaru Select Monitor, read DTC of CAN system.
 Is U1213 a current malfunction? Replace the VDC CM. Refer to VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U) . Go to step 4  .
4 CHECK HARNESS. 
  1. Shake the harness, and check for poor contact.
  2. Using the Subaru Select Monitor, read DTC of CAN system.
 Is U1213 a current malfunction? Repair the poor contact of harness, or replace the harness. Go to step 5  .
5 CHECK CONNECTOR. 
Check the connector used for high speed CAN for poor contact.		 Is there poor contact of connector? Repair the connector that has poor contact, or replace harness. A temporary communication failure may be a possible cause. Clear the DTC memory.
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