DTC C0045 Incorrect VDC Control Module Specifications: Trouble Symptom
- ABS does not operate.
- VDC 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 REPLACEMENT HISTORY. | Is there replacement history of VDCCM alone? | Go to step 2. | Go to step 3. |
| 2 CHECK VDCCM IDENTIFICATION NUMBER. Check the identification number on the sticker attached on the VDCCM side. |
Is the identification number correct? AT: T3 MT:T4 |
Go to step 4. | Replace the VDCCM only. |
| 3 CHECK VDCCM&H/U IDENTIFICATION NUMBER. Check the identification number stamped on the upper side of the H/U. |
Is the identification number correct? AT:T3 MT:T4 |
Go to step 4. | Replace the VDCCM&H/U. |
| 4 CHECK PARAMETER SELECTED FOR VDCCM. <Ref. to PARAMETER CHECK , OPERATION, Subaru Select Monitor.> |
Does the parameter registered to the VDCCM match with the target 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) .>. <Ref. to TRANSMISSION CONTROL MODULE (TCM) .>. |
6 CHECK AT SYSTEM.
|
Is DTC of AT system displayed? | Repair the AT system. | 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) . > for H4SO. <Ref. to ENGINE CONTROL MODULE (ECM) . > for H4DOTC. <Ref. to ENGINE CONTROL MODULE (ECM) . > for H6DO. |
8 CHECK THE VDCCM&H/U.
|
Is the same DTC displayed? | Replace the VDCCM only. | Go to step 9. |
| 9 CHECK OTHER DTC DETECTION. | Is any other DTC displayed? | Perform the diagnosis according to DTC. | It results from a temporary noise interference. |