Erratic Fuel Gauge Operation on Cadillac Seville SLS

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

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Average mileage: 127,315 (68,000–175,000)
6 model years affected: 1999, 2000, 2001, 2002, more2003, 2004
20 people reported this problem
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Viewing 1 - 8 of 8 problem details
2003 Cadillac Seville SLS 111,111 mi,
Fuel level starts to wander after fuel indicator reaches about 1/4 fuel left in tank.
2003 Cadillac Seville SLS 98,000 mi,
Not fixed yet. Add fuel by watching mileage.
2003 Cadillac Seville SLS 163,000 mi,
I've had this issue for almost a year. But now the gauge will flop back and forth between full and empty.
2002 Cadillac Seville SLS 68,000 mi,
When the fuel gauge falls below one-half tank, the gauge begins reading incorrectly...showing everything from a full tank to half tank.
2001 Cadillac Seville SLS 115,000 mi,
Gas gauge doesnt read right
1999 Cadillac Seville SLS 140,000 mi,
Erratic fuel gauge operation
2000 Cadillac Seville SLS 134,000 mi,
Fuel gauge not reading properly, fluxing back and forth. Diagnosing.