B1638
B1638 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.B1638 Diagnosis
The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.
The top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.
Ford B1638 Fault Code Meaning :
Ford B1638 Symptoms :
Ford B1638 Reasons :
How To Fix Ford B1638 Trouble Code ?
Which Ford cars have the code B1638?
- B1638 Ford Aerostar
- B1638 Ford Bronco
- B1638 Ford C-Max
- B1638 Ford C-Max Energi
- B1638 Ford C-Max Hybrid
- B1638 Ford Contour
- B1638 Ford Crown Victoria
- B1638 Ford EcoSport
- B1638 Ford Econoline
- B1638 Ford Edge
- B1638 Ford Escape
- B1638 Ford Escape Hybrid
- B1638 Ford Escort
- B1638 Ford Everest
- B1638 Ford Excursion
- B1638 Ford Expedition
- B1638 Ford Explorer
- B1638 Ford Explorer Sport Trac
- B1638 Ford F-150
- B1638 Ford F-250
- B1638 Ford F-350
- B1638 Ford Fiesta
- B1638 Ford Flex
- B1638 Ford Focus
- B1638 Ford Focus Electric
- B1638 Ford Freestar
- B1638 Ford Freestyle
- B1638 Ford Fusion
- B1638 Ford Fusion Energi
- B1638 Ford Fusion Hybrid
- B1638 Ford Fusion Plug-In Hybrid
- B1638 Ford GT
- B1638 Ford Mustang
- B1638 Ford Mustang Mach-E
- B1638 Ford Mystique
- B1638 Ford Probe
- B1638 Ford Ranger
- B1638 Ford Taurus
- B1638 Ford Taurus X
- B1638 Ford Tempo
- B1638 Ford Thunderbird
- B1638 Ford Transit
- B1638 Ford Transit Connect
- B1638 Ford Windstar
A code is a fault code and it indicates that something has gone wrong with your car's engine.
It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.
You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.
A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.