Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC C1412 Selected Parameter: Trouble Symptom
2016 Subaru Legacy 2.5iSECTION Trouble Symptom
- ABS does not operate.
- VDC does not operate.
- Hill hold does not function.
- EyeSight does not operate. (Models with EyeSight)NOTE: When the VDCCM & H/U is replaced, this DTC may be stored.
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK VDCCM & H/U IDENTIFICATION SYMBOL. Check the identification symbol attached on the H/U. < Ref. to SPECIFICATION , General Description. > |
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 VDCCM PARAMETER CHECK , MAINTENANCE MODE, VDC Control Module and Hydraulic Control Unit (VDCCM & H/U). > |
Does the parameter registered in the VDCCM match the relevant vehicle? | Go to step 3 . | Select and register the correct parameter. < Ref. to VDCCM PARAMETER SELECTION , MAINTENANCE MODE, VDC Control Module and Hydraulic Control Unit (VDCCM & H/U). > |
| 3 CHECK SPECIFICATIONS OF OTHER CONTROL MODULES. Check the specifications of ECM and TCM. |
Are the specifications of ECM and TCM the same as vehicle specification? | Replace the VDCCM & H/U. < Ref. to VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U) . > | Replace the ECM and TCM. < Ref. to ENGINE CONTROL MODULE (ECM) . > < Ref. to ENGINE CONTROL MODULE (ECM) . > < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.