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Author Question: A data line has been diagnosed as being shorted to ground. Which of these would be the next step in ... (Read 79 times)

washai

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on: Aug 13, 2021

Question 1

A data bus is being checked for voltage activity. Both the DMM and the oscilloscope show a constant zero volts with the key on or off. This indicates ________.
◦ A sleeping module
◦ The data line is shorted to ground
◦ Normal activity
◦ None of these

Question 2

A data line has been diagnosed as being shorted to ground. Which of these would be the next step in diagnosing this problem?
◦ Unplug modules one at a time and re-test the data line
◦ Disconnect the battery and then test the data line
◦ Replace the BCM
◦ Replace the alternator


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Marked as best answer by washai on Aug 13, 2021

InfiniteSteez

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Reply #1 on: Aug 13, 2021

Answer 1

The data line is shorted to ground

Answer 2

Unplug modules one at a time and re-test the data line


washai

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Reply 2 on: Aug 13, 2021
YES! Correct, THANKS for helping me on my review

connor417

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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