DTC Parameters

DTC P0622 will set if generator F-terminal duty cycle is less than 5 percent when:

• The condition exists for longer than 30 seconds.
• The engine speed is between idle and 3000 RPM.

DTC P0622 will set if generator F-terminal duty cycle is greater than 65 percent when:

• The condition exists for longer than 5 seconds.
• The engine is NOT running.

DTC P0622 diagnostic runs continuously with the ignition ON. DTC P0622 is a type "D" DTC.