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.
Anti-Lock Brake System (ABS) with Traction Control
The anti-lock brake system (ABS) module manages the anti-lock braking, while the traction control and engine control systems maintain vehicle control during deceleration and acceleration.
When the ignition switch is in the RUN position, the ABS module does a preliminary electrical check and, at approximately 6 km/h (4 mph), the hydraulic pump motor is turned ON for approximately 11/2 second. Any malfunction of the ABS module disables the system and the ABS warning indicator illuminates. However, the power-assist braking system functions normally.
The traction control system controls wheel spin by modulating engine torque and applying, then releasing, the appropriate rear brake to restore traction when driving on slippery or loose surfaces.
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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.