Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
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% for a duration lasting less than 30 seconds.
- DTC P0464 runs and fails 2 out of 3 test cycles.