B1521
B1521 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.B1521 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.
Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.
Ford B1521 Fault Code Meaning :
Ford B1521 Symptoms :
Ford B1521 Reasons :
How To Fix Ford B1521 Trouble Code ?
Which Ford cars have the code B1521?
- B1521 Ford Aerostar
- B1521 Ford Bronco
- B1521 Ford C-Max
- B1521 Ford C-Max Energi
- B1521 Ford C-Max Hybrid
- B1521 Ford Contour
- B1521 Ford Crown Victoria
- B1521 Ford EcoSport
- B1521 Ford Econoline
- B1521 Ford Edge
- B1521 Ford Escape
- B1521 Ford Escape Hybrid
- B1521 Ford Escort
- B1521 Ford Everest
- B1521 Ford Excursion
- B1521 Ford Expedition
- B1521 Ford Explorer
- B1521 Ford Explorer Sport Trac
- B1521 Ford F-150
- B1521 Ford F-250
- B1521 Ford F-350
- B1521 Ford Fiesta
- B1521 Ford Flex
- B1521 Ford Focus
- B1521 Ford Focus Electric
- B1521 Ford Freestar
- B1521 Ford Freestyle
- B1521 Ford Fusion
- B1521 Ford Fusion Energi
- B1521 Ford Fusion Hybrid
- B1521 Ford Fusion Plug-In Hybrid
- B1521 Ford GT
- B1521 Ford Mustang
- B1521 Ford Mustang Mach-E
- B1521 Ford Mystique
- B1521 Ford Probe
- B1521 Ford Ranger
- B1521 Ford Taurus
- B1521 Ford Taurus X
- B1521 Ford Tempo
- B1521 Ford Thunderbird
- B1521 Ford Transit
- B1521 Ford Transit Connect
- B1521 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.