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 16 - Abs Enable Relay Coil Circuit Open: Notes
Ignition voltage is supplied through ABS enable relay. EBCM/EBTCM energizes pull-in coil by completing ground circuit at EBCM/EBTCM ABS relay control terminal. Magnetic field created will close ABS enable relay contacts to supply battery voltage to EBCM/EBTCM, providing power to motors and solenoids.
Code 16 can only set after Code 14 has been set. This test detects an open in ABS enable relay coil circuit. This malfunction will not allow ABS enable relay to energize thus preventing voltage/current to motors and solenoids. If malfunction is present and ignition is turned off before 3 MPH is reached, Code 14 will set alone. Code will be stored, ABS is disabled and ABS warning light illuminated.
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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.