Practice question

A technician suspects a gateway module is keeping a vehicle network awake. With the network active, a multimeter measures 2.5 volts on both CAN-H and CAN-L lines. What does this indicate?

  1. A normal recessive state of CAN-bus network communication
  2. The CAN-H and CAN-L lines are shorted together
  3. The terminating resistors have failed
  4. The network lines are open-circuited

Answer: B — The CAN-H and CAN-L lines are shorted together

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