Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2066
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Fuel Level Sensor Reference Voltage Circuit | P2067 | - | - | P2066 |
| Fuel Level Sensor Signal Secondary Circuit | P2067 | P2068 1 |
P2068 | P2066 |
| Fuel Level Sensor Low Reference Circuit | - | P2068 1 |
P2068 | P2066 |
| 1. Fuel Gage Inaccurate or Inoperative | ||||