Conditions for Running the DTC

P0231

• The ignition voltage is between 9 - 32 V.
• The fuel pump enable circuit is commanded ON.
• The fuel pump current is less than 100 A.

P0232

• The ignition voltage is between 9 - 32 V.
• The fuel pump enable circuit is commanded OFF.
• The above conditions are met for 4 s.
• The DTC runs once per trip.

P023F

• The ignition voltage is between 9 - 32 V.
• The fuel pump enable circuit is commanded ON.