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 18, Enable Relay Coil Circuit Shorted To Battery: Notes
Ignition voltage is supplied to enable relay. EBCM energizes enable relay pull-in coil by completing ground circuit. Magnetic field created will close enable relay contacts to supply battery voltage to EBCM, providing power to motors and solenoids.
This DTC checks availability of voltage and current to motors and solenoids. DTC 18 will disable ABS function and turn ABS warning light on.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.