F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
P1780 - P1784: Testing and Inspection
P1783
4R70W
For diagnosis of code P1783 refer to chart
Part 8
If there is no link in the chart then:
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This code is not a valid code for this vehicle
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Or information published by the manufacturer for this vehicle did not include this code
