DTC C0046: Body Integrated Module Communication Circuit
DTC detecting condition:
No CAN signal received from body integrated unit.
Trouble symptom:
- VDC may not operate.
- Hill start assist does not operate.
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. Ref. to Basic Diagnostic Procedure . |
Is there any fault in LAN system? | Perform the diagnosis according to DTC for LAN system. Ref. to List of Diagnostic Trouble Code (DTC) . | Go to step 2 . |
| 2 CHECK POOR CONTACT OF CONNECTORS. | Is there poor contact of body integrated unit connector? | Repair the connector. | Go to step 3 . |
| 3 CHECK BODY INTEGRATED UNIT. Perform the diagnosis for body integrated unit. Ref. to Basic Diagnostic Procedure . |
Is the check result OK? | Go to step 4 . | Perform the diagnosis according to DTC. Ref. to List of Diagnostic Trouble Code (DTC) . |
4 CHECK VDCCM & H/U.
|
Is the same DTC displayed? | Replace the VDCCM & H/U. Ref. to VDC Control Module and Hydraulic Control Unit (VDCCM & H/U) . | Go to step 5 . |
| 5 CHECK DETECTION OF OTHER DTCS FOR VDC. Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . |
Is any other DTC displayed? | Perform the diagnosis according to DTC. Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . | Currently, it is normal. There may have been a temporary poor contact in the harness and connector or a temporary noise interference. |