The air pressure gauges, fuel level gauge, and voltmeter do not operate on an International truck with a body controller. All other gauges such as the tachometer and engine oil pressure gauge are operating correctly. Which of the following is the most likely cause of the inoperative gauges?

A. Short circuit between CAN + and CAN -
B. CAN + is shorted to ground.
C. Missing terminating resistors.
D. An open CAN + or CAN - circuit between the body controller and the electronic gauge cluster.


Answer: D

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