P81B1
P81B1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P81B1 Diagnosis
The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 FF.
The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.
Ford P81B1 Fault Code Meaning :
Ford P81B1 Symptoms :
Ford P81B1 Reasons :
How To Fix Ford P81B1 Trouble Code ?
Which Ford cars have the code P81B1?
- P81B1 Ford Aerostar
- P81B1 Ford Bronco
- P81B1 Ford C-Max
- P81B1 Ford C-Max Energi
- P81B1 Ford C-Max Hybrid
- P81B1 Ford Contour
- P81B1 Ford Crown Victoria
- P81B1 Ford EcoSport
- P81B1 Ford Econoline
- P81B1 Ford Edge
- P81B1 Ford Escape
- P81B1 Ford Escape Hybrid
- P81B1 Ford Escort
- P81B1 Ford Everest
- P81B1 Ford Excursion
- P81B1 Ford Expedition
- P81B1 Ford Explorer
- P81B1 Ford Explorer Sport Trac
- P81B1 Ford F-150
- P81B1 Ford F-250
- P81B1 Ford F-350
- P81B1 Ford Fiesta
- P81B1 Ford Flex
- P81B1 Ford Focus
- P81B1 Ford Focus Electric
- P81B1 Ford Freestar
- P81B1 Ford Freestyle
- P81B1 Ford Fusion
- P81B1 Ford Fusion Energi
- P81B1 Ford Fusion Hybrid
- P81B1 Ford Fusion Plug-In Hybrid
- P81B1 Ford GT
- P81B1 Ford Mustang
- P81B1 Ford Mustang Mach-E
- P81B1 Ford Mystique
- P81B1 Ford Probe
- P81B1 Ford Ranger
- P81B1 Ford Taurus
- P81B1 Ford Taurus X
- P81B1 Ford Tempo
- P81B1 Ford Thunderbird
- P81B1 Ford Transit
- P81B1 Ford Transit Connect
- P81B1 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.