Conditions for Running the DTC

P0231

• The ignition voltage is greater than 7V.
• The engine is cranking or running.
• The fuel pump enable circuit is commanded ON.
• The DTC runs continuously when the conditions above are met.

P0232

• The ignition voltage is greater than 7V.
• The fuel pump enable circuit is commanded ON.
• The DTC runs continuously when the conditions above are met.

P023F

• The ignition voltage is greater than 11V.
• The commanded duty cycle is greater than a calibrated threshold, 50 percent.
• The DTC runs continuously when the conditions above are met.