Why no start or crank after ECM change?

Asked by Tomeka Mar 31, 2020 at 04:11 PM about the Chrysler 300M

Question type: Maintenance & Repair

After replacing a bad ECM now the car will not crank nor start. Thought it was
low battery tried to charge and gage on charging goes crazy. Please advise

1 Answer
2,270

RickMN answered 4 years ago

Did you have the new ECM and body control module programmed to your VIN? If not, it won't start

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