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.
CAN Communication
The ACC system communicates with other control units via F-CAN. For ACC system diagram, review the ACC System Diagram - Refer to: Adaptive Cruise Control (ACC) System Description - System Diagram .
If the millimeter wave radar and the multipurpose camera unit detects a communication error or a malfunction in another connected unit, the ACC system will not operate even though it is OK. In this case, both the ACC indicator and the related unit indicator will come on and stay 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.