Put a new ecm in and no start

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Put a new ecm in and no start

Customer

Put a new ecm in and no start Mechanic's Assistant: Will the headlights turn on? Is the [battery](/topics-battery-dodge/) fully charged? The batteries are charged yes and the lights come on Mechanic's Assistant: W...

Put a new ecm in and no start Mechanic's Assistant: Will the headlights turn on? Is the [battery](/topics-battery-dodge/) fully charged? The batteries are charged yes and the lights come on Mechanic's Assistant: What is the make/model/year of your car? 1999 dodge 3500 Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? I have changed injectors, injection pump, lift pump Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? Well the ecm is off a 2001 truck, same model so I'm trying to figure out if I have to reprogram it to my truck

Answer 1

Hello - my name is \*\*\*\*\* \*\*\*\*\* the 2001 ECM does need to have the VIN # programmed from your 1999 - also, make sure the ECM numbers from the 1999 and 2001 are the same - although they may appear similar, ECM pinouts may have changed year to year

Answer 2

No problem - the dealer is your best bet to have an ECM reprogrammed since they can apply any updates while they have it

Answer 3

I believe the ECM number has to match with the exception of the last digit - bring both to the dealer, they will be able to tell you exactly

Answer 4

No problem - glad to help

Put a new ecm in and no start

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