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what's most popular fix for p1374 code?

Vehicle: 99 Chevrolet lumina 3100

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P1374  3X reference circuit fault

The ICM recieves and sends, It recieves a CKP (crank position sensor) signal known as a 7X for coil fire sequence and timing during cranking, It sends a 3X time signal to PCM and recieves a 3X control signal from the PCM for timing. What is the popular fix, The terminals not making proper contact in a no start wiggle the terminal and if it start , repair the terminal harness end, Next is the ICM itself, due to sparkplug wire secondary shorting to ground for a extended amount of time.

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