DTC C0045 Incorrect VDC Control Module Specifications: Trouble Symptom
WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
- ABS does not operate.
- VDC does not operate.
NOTE:
When parameter selection for VDCCM is improper, this DTC may be memorized.
DIAGNOSTIC PROCEDURE CHART
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK VDCCM REPLACEMENT HISTORY. | Is there history of VDCCM replacement by itself? | Go to step 2. | Go to step 3 . |
| 2 CHECK VDCCM IDENTIFICATION SYMBOL. Check the identification symbol of the seal attached on the side of the VDCCM. |
Is the identification symbol correct? AT: Z6 MT: Z7 |
Go to step 4. | Replace the VDCCM only. < Ref. to REPLACEMENT , VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). > |
| 3 CHECK VDCCM&H/U IDENTIFICATION SYMBOL. Check the identification symbol stamped on the upper part of the H/U. |
Is the identification symbol correct? AT: Z6 MT: Z7 |
Go to step 4. | Replace the VDCCM&H/U. < Ref. to VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U) . > |
| 4 CHECK PARAMETER SELECTED IN VDCCM. < Ref. to PARAMETER CHECK , OPERATION, Subaru Select Monitor. > |
Does the parameter registered in the VDCCM match the relevant vehicle? | Go to step 5. | Select and register the correct parameter. < Ref. to PARAMETER SELECTION , OPERATION, Subaru Select Monitor. > |
| 5 CHECK TCM SPECIFICATION. Check the TCM specification. |
Is the specification of TCM same as vehicle specification? | Go to step 6. | Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > |
6 CHECK AT SYSTEM.
|
Is DTC of AT system displayed? | Repair the AT system. < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | Go to step 7 . |
| 7 CHECK ECM SPECIFICATION. Check the ECM specification. |
Is the specification of ECM same as vehicle specification? | Go to step 8. | Replace the ECM. < Ref. to ENGINE CONTROL MODULE (ECM) . > < Ref. to ENGINE CONTROL MODULE (ECM) . > |
8 CHECK VDCCM&H/U.
|
Is the same DTC displayed? | Replace the VDCCM only. < Ref. to REPLACEMENT , VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). > | Go to step 9 . |
| 9 CHECK OTHER DTC DETECTION. | Is any other DTC displayed? | Perform the diagnosis according to DTC. < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | It results from a temporary noise interference. |