What electrical problems will be solved by replacing a BCM with a new one

Asked by Capdog Jan 23, 2016 at 11:15 AM about the 2003 Chevrolet Monte Carlo LS FWD

Question type: Maintenance & Repair

2 Answers
70

GuruV4RGV answered 5 years ago

We put a brand new ignition in my 2003 monte carlo LS we program it and still no crank....what could it be?

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GuruTJ16V answered 5 years ago

I hope your problems are solved by now. For future reference my 04 ss had security light on and no crank issue. Chevy told me it was igniton cylinder. I didn't believe their diagnosis so I took a look at the b.c.m. Sure enough the wires were a little loose so I wiggled the connector while cranking engine and it fired right up. Been fine ever since! Cool cars but electrical nightmares!

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