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.
Code A015 - Enable Relay Contacts Shorted To Battery: Notes
Ignition voltage is supplied through terminal No. A2 of ABS enable relay. EBCM energizes pull-in coil by completing ground circuit at pin No. 22 of EBCM. The magnetic field created will close enable relay contacts to supply battery voltage to Electro-Mechanical Brake (EMB) and EBCM, providing power to motors and solenoids.
This test determines if enable relay is energized when required. Fault Code A015 prevents enable relay from removing power from ABS system. If a second fault occurs and turns enable relay off, fault cannot be removed if relay cannot be controlled.
- This step determines if EBCM is capable of controlling enable relay.
- This step checks for short to battery in circuit No. 850 (Red/White wire).
- This step checks if EBCM and circuit No. 879 (Purple/White wire) are shorted to ground. A short to ground in either circuit causes enable relay to be continuously energized.
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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.
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