Conditions for Setting the DTC

P0461 or P2066 

The ECM detects a change in fuel level of less than a specified amount (typically 3-10 L or 0.8-2.6 gal) over a specified driving distance (typically 240-320 km or 150-200 miles).

P0462 or P2067

• The signal voltage is less than 0.25 V.
• The above conditions must be met for 5 seconds.

P0463 or P2068

• The signal voltage is greater than 4.7 V.
• The above conditions must be met for 5 seconds.

P0464

• The fuel level change is greater than 10%.
• The above conditions must be met for 30 seconds.
• DTC P0464 runs and fails 2 out of 3 test cycles.