ECM Question for Ford Service Technicians

1591 Views 4 Replies 5 Participants Last post by Poppy, Apr 28, 2010

aws1963

Discussion Starter · Apr 26, 2010

Can an ECM be run through a diagnostic if removed from the vehicle? I really don't want to pay to have the vehicle towed to and from the dealer. Just want the unit checked. 2005 Ford Escape 3.0L

Thanks!

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Cuda_jim

· #2 · Apr 27, 2010

Have you had it scanned with a qualified scanner and operator. IIRC your car is CAN compliant....if so, the 'free scans' are useless.
Look around your area for a ECM repair shop or auto-electric shop. They may have a way of testing it.

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oldtimer35

· #3 · Apr 27, 2010

Once you remove the power from the ECM, the memory is gone. There will be no codes in it and you cannot retrieve any information from it

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cjones

· #4 · Apr 28, 2010

Cuda_jim said:
Have you had it scanned with a qualified scanner and operator. IIRC your car is CAN compliant....if so, the 'free scans' are useless.
Look around your area for a ECM repair shop or auto-electric shop. They may have a way of testing it.

you're correct, CAN using an 11-bit header

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Poppy

· #5 · Apr 28, 2010

oldtimer35 said:
Once you remove the power from the ECM, the memory is gone. There will be no codes in it and you cannot retrieve any information from it

Yeah, I thought of that too, but he said that he wanted the ECM checked, not examined for stored codes, so I didn't post. I'm glad you brought it up in case he is thinking that he could have it checked for codes that way.

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