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2000 Ford F-550 Super Duty XL 7.3L MIL Lamp on, No Communication
Posted to Ford Driveability on 4/27/2012 8 Replies

Can't communicate with the PCM. Checked DLC, found bad connection at fuse not allowing B+ to get to pin 16. Repaired bad connection, still no communication. Tested ground and circuits between PCM and DLC, all test good. According to tests it has a faulty PCM. ...

8 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

2000 Ford F-550 Super Duty XL

VIN 1FDAF57F8Y
Engine7.3 L / 8 cyl / DIESEL
Trans6-speed Standard
DeliveryFuel Injection / Diesel EFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, No Communication
OccursAlways
Message Closed w/Summary

car Vehicle Data

2000 Ford F-550 Super Duty XL

VIN 1FDAF57F8Y
Engine7.3 L / 8 cyl / DIESEL
Trans6-speed Standard
DeliveryFuel Injection / Diesel EFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, No Communication
OccursAlways