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 C1616-88: CAN Bus OFF (C-CAN): General Description
BCW (=Blind-Spot Collision Warning) has additional function which helps to keep the warning indicator from the car ahead as compared with vehicle speed, yaw rate, turn signal. BCW uses CAN communication to exchange information, which is required for control, with related ECUs and to receive input signal from the other ECU. CAN communication type is communication speed is high speed CAN and two terminal resistance is connected in a line. BCW has a CAN controller to control signal exchange.
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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.