C0978

C0978 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0978 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 C0978 Fault Code Meaning :

Ford C0978 Symptoms :

Ford C0978 Reasons :

How To Fix Ford C0978 Trouble Code ?

Which Ford cars have the code C0978?

  • C0978 Ford Aerostar
  • C0978 Ford Bronco
  • C0978 Ford C-Max
  • C0978 Ford C-Max Energi
  • C0978 Ford C-Max Hybrid
  • C0978 Ford Contour
  • C0978 Ford Crown Victoria
  • C0978 Ford EcoSport
  • C0978 Ford Econoline
  • C0978 Ford Edge
  • C0978 Ford Escape
  • C0978 Ford Escape Hybrid
  • C0978 Ford Escort
  • C0978 Ford Everest
  • C0978 Ford Excursion
  • C0978 Ford Expedition
  • C0978 Ford Explorer
  • C0978 Ford Explorer Sport Trac
  • C0978 Ford F-150
  • C0978 Ford F-250
  • C0978 Ford F-350
  • C0978 Ford Fiesta
  • C0978 Ford Flex
  • C0978 Ford Focus
  • C0978 Ford Focus Electric
  • C0978 Ford Freestar
  • C0978 Ford Freestyle
  • C0978 Ford Fusion
  • C0978 Ford Fusion Energi
  • C0978 Ford Fusion Hybrid
  • C0978 Ford Fusion Plug-In Hybrid
  • C0978 Ford GT
  • C0978 Ford Mustang
  • C0978 Ford Mustang Mach-E
  • C0978 Ford Mystique
  • C0978 Ford Probe
  • C0978 Ford Ranger
  • C0978 Ford Taurus
  • C0978 Ford Taurus X
  • C0978 Ford Tempo
  • C0978 Ford Thunderbird
  • C0978 Ford Transit
  • C0978 Ford Transit Connect
  • C0978 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.