Component Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, remove the secondary fuel level sender.
- While sweeping the fuel level sensor through its full range of motion, test for a minimum resistance value of less than 41 Ω and a maximum value greater than 119 Ω between the signal terminal C and the low reference terminal B.
- If not within the specified range, replace the secondary fuel level sensor.