DTC C0045 Incorrect VDC Control Module Specifications: Trouble Symptom
- ABS does not operate.
- VDC does not operate.
- Hill start assist does not operate.
NOTE:
When parameter selection for VDCCM is improper, this DTC may be memorized.
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK VDCCM&H/U IDENTIFICATION SYMBOL. Check the identification symbol attached on the H/U. Identification symbol: V1 |
Is the identification symbol correct? | Go to step 2 . | Replace the VDCCM&H/U. Ref. to VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U) . |
| 2 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 3 . | Select and register the correct parameter. Ref. to PARAMETER SELECTION , OPERATION, Subaru Select Monitor. |
| 3 CHECK TCM SPECIFICATION. Check the TCM specification. |
Is the specification of TCM same as vehicle specification? | Go to step 4 . | Replace the TCM. Ref. to TRANSMISSION CONTROL MODULE (TCM) . Ref. to TRANSMISSION CONTROL MODULE (TCM) . |
4 CHECK AT SYSTEM OR CVT SYSTEM.
|
Is DTC of AT system or CVT system displayed? | Repair the AT system or CVT system. Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . | Go to step 5 . |
| 5 CHECK ECM SPECIFICATION. Check the ECM specification. |
Is the specification of ECM same as vehicle specification? | Go to step 6 . | Replace the ECM. Ref. to ENGINE CONTROL MODULE (ECM) . Ref. to ENGINE CONTROL MODULE (ECM) . Ref. to ENGINE CONTROL MODULE (ECM) . |
6 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 7 . |
| 7 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. |