what's needed to fix p1374 code in 99 chevy lumina 3100

Question

what's most popular fix for p1374 code?

Answer 1

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.