Component Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, remove the primary and secondary fuel level senders.
- While sweeping the primary fuel level sensor through its full range of motion, test for a minimum value 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 primary fuel level sensor.
- While sweeping the secondary fuel level sensor through its full range of motion, test for a minimum value 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.