KlaroP0622
MODERATEGenerator Field F Control Circuit Malfunction
What this code means
Generator Field F Control Circuit Malfunction. Faults internal to the engine control unit or to its output circuits. Before suspecting the unit itself, which seldom fails, check grounds, connectors and battery voltage.
How to read this code
- PPowertrain
- 0standardised code
- 6Control unit and output circuits
- 22P0622
The letter P names the system: Powertrain. The digit 0 that follows marks a standardised code, shared by all manufacturers code. The next digit, 6, locates the fault: control unit and output circuits.
What to do
Have it checked this week. The car remains usable, but the fault will not clear itself and will fail the roadworthiness test.
Clearing a code switches the light off but repairs nothing: if the fault remains, the code comes back.