ecm replacement now car wont stay cranked
10

Asked by djdeboe Nov 17, 2019 at 01:21 PM about the 2005 Cadillac CTS 3.6L RWD

Question type: Maintenance & Repair

I put a new ecm on my car and did all the resets but now my car wont stay
cranked. it will come on for about 5 seconds and then cut off. new battery gas
is in the car and the security light is not staying on. the ecm was programmed
to my vin but i got an error code saying the ecm is not connected. any help
please

2 Answers
155,185

james answered 4 years ago

Did you have the new ECM flashed (programmed) to the vehicle using the vehicle identification number? If not it won't work until you do. This must be done at a shop! Hope that helps! Jim

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10

djdeboe answered 4 years ago

I put In the description it was flashed to the vin.

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