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Dave Nova
Dave Nova, Cadillac Technician
Category: Cadillac
Satisfied Customers: 1522
Experience:  ASE Master Certification. GM World Class Certification
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The dealership says the Engine Control Module needs to be

Customer Question

the dealership says the Engine Control Module needs to be replaced
JA: How many miles are on the car? Is it an automatic or a manual transmission?
Customer: 102,000 - automatic
JA: What is the model/year of your Cadillac?
Customer: 2005 CTS
JA: Are you fixing your CTS yourself? What have you tried so far?
Customer: just took it to dealer, need a local mechanic
JA: Anything else you want the mechanic to know before I connect you?
Customer: what are symptoms that determine the need to replace it
Submitted: 11 months ago.
Category: Cadillac
Expert:  George H. replied 11 months ago.

Hello I will help,

Why did you take it to the dealership and why do they say the ECU needs to be replaced?