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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 6642
Experience:  ASE Master Certified, ASE Advanced Gasoline Engine Performance
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Ford PCM fault codes not available at data connector under

Customer Question

Ford PCM fault codes not available at data connector under dash.Engine has stalled and need diagnosis.
Submitted: 11 months ago.
Category: Ford
Expert:  A. Penland replied 11 months ago.

Do you get pass codes or no communication fault with the code reader?

Customer: replied 11 months ago.
get no communication-a parts store tried getting codes as well-no luck.
Customer: replied 11 months ago.
No thanks-If I can get an idea of the problem,I'm good at figuring it out.
Customer: replied 11 months ago.
need to know if this is likely a connection problem,lack of voltage to connector,or a fried PCM.
Expert:  A. Penland replied 11 months ago.

Check for power at the DLC where the code reader plugs in. Pin #16 should have power. See the diagram below. If no power, check fuse #3 in the dash fuse box. You need power there for the code readers to work.

Customer: replied 11 months ago.
Thanks-I'll check.Didn't have pinout wiring diagram.
Expert:  A. Penland replied 11 months ago.

Ok.

Customer: replied 11 months ago.
Thanks again.signing off.
Expert:  A. Penland replied 11 months ago.

Your welcome. Good night.