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P1639 Diagnostic Trouble Code Discussion for April 2013

5-Volt Reference 'B' Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1639
Help Request Posted
2012 Ford F-250 Super Duty King Ranch 6.2L Failed E-test VIN: 1FT7W2B69C
P1639: VID Block corrupted. ... not ready. Only code is p1639. I suspect tuner tampering but no info available. Reflashed computer with no help. evap egr misfire comprehensive were ready before I reset the pcm.Tried KAM reset, tried misfire reset to no avail. Im thinking the pcm is junk.
April 17, 2013
2012 Ford F-250 Super Duty King Ranch 6.2L Failed E-test VIN: 1FT7W2B69C
P1639: VID Block corrupted. ... not ready. Only code is p1639. I suspect tuner tampering but no info available. Reflashed computer with no help. evap egr misfire comprehensive were ready before I reset the pcm.Tried KAM reset, tried misfire reset to no avail. Im thinking the pcm is junk.
April 18, 2013
2012 Ford F-250 Super Duty King Ranch 6.2L Failed E-test VIN: 1FT7W2B69C
P1639: VID Block corrupted. ... not ready. Only code is p1639. I suspect tuner tampering but no info available. Reflashed computer with no help. evap egr misfire comprehensive were ready before I reset the pcm.Tried KAM reset, tried misfire reset to no avail. Im thinking the pcm is junk.
April 17, 2013
2012 Ford F-250 Super Duty King Ranch 6.2L Failed E-test VIN: 1FT7W2B69C
P1639: VID Block corrupted. ... not ready. Only code is p1639. I suspect tuner tampering but no info available. Reflashed computer with no help. evap egr misfire comprehensive were ready before I reset the pcm.Tried KAM reset, tried misfire reset to no avail. Im thinking the pcm is junk.
April 18, 2013