P21A8
P21A8 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P21A8 Diagnosis
The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.
This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.
Ford P21A8 Fault Code Meaning :
Ford P21A8 Symptoms :
Ford P21A8 Reasons :
How To Fix Ford P21A8 Trouble Code ?
Which Ford cars have the code P21A8?
- P21A8 Ford Aerostar
- P21A8 Ford Bronco
- P21A8 Ford C-Max
- P21A8 Ford C-Max Energi
- P21A8 Ford C-Max Hybrid
- P21A8 Ford Contour
- P21A8 Ford Crown Victoria
- P21A8 Ford EcoSport
- P21A8 Ford Econoline
- P21A8 Ford Edge
- P21A8 Ford Escape
- P21A8 Ford Escape Hybrid
- P21A8 Ford Escort
- P21A8 Ford Everest
- P21A8 Ford Excursion
- P21A8 Ford Expedition
- P21A8 Ford Explorer
- P21A8 Ford Explorer Sport Trac
- P21A8 Ford F-150
- P21A8 Ford F-250
- P21A8 Ford F-350
- P21A8 Ford Fiesta
- P21A8 Ford Flex
- P21A8 Ford Focus
- P21A8 Ford Focus Electric
- P21A8 Ford Freestar
- P21A8 Ford Freestyle
- P21A8 Ford Fusion
- P21A8 Ford Fusion Energi
- P21A8 Ford Fusion Hybrid
- P21A8 Ford Fusion Plug-In Hybrid
- P21A8 Ford GT
- P21A8 Ford Mustang
- P21A8 Ford Mustang Mach-E
- P21A8 Ford Mystique
- P21A8 Ford Probe
- P21A8 Ford Ranger
- P21A8 Ford Taurus
- P21A8 Ford Taurus X
- P21A8 Ford Tempo
- P21A8 Ford Thunderbird
- P21A8 Ford Transit
- P21A8 Ford Transit Connect
- P21A8 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.