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peterpete190, Auto Technician
Category: Subaru
Satisfied Customers: 28254
Experience:  Auto repair Technician with 17 years experience.Past ASE and other certifications.
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I'm getting code c1521 (motor relay) on a 2015 subaru

Customer Question

I'm getting code c1521 (motor relay) on a 2015 subaru forester. Where is the motor relay located and how do I test it?
Submitted: 11 months ago.
Category: Subaru
Expert:  peterpete190 replied 11 months ago.

Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.

Below are the links for the diagnostic procedure on this model here on locating and repairing this issue.The steps need followed and tested with the correct tools to pinpoint the cause here.You may have a failed motor relay or motor and relay needing replaced.


- Defective motor and motor relay
- Defective harness connector

- ABS does not operate.
- VDC does not operate.
- EBD may not operate.
- Hill start assist does not operate.
- Hill descent control does not operate. (Model with X MODE)
- EyeSight does not operate. (Model with EyeSight)

The relay is located internal in the abs/vdc control module itself.

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service,your 5 star rating is appreciated.You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete