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:Z1 MT:Z2 | 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:Z1 MT:Z2 | Go to step 4 . | Replace the VDCCM & H/U. |
| 4 CHECK PARAMETER SELECTED FOR VDCCM
. Refer 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. Refer 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. Refer 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. Refer to ENGINE CONTROL MODULE (ECM) . Refer to ENGINE CONTROL MODULE (ECM) . |
8 CHECK 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. |