P1639 Diagnostic Trouble Code Discussion for April 2013
5-Volt Reference 'B' Circuit Malfunction
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.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 |
