Test Description

The numbers below refer to the step number on the diagnostic table.

1. This step tests for a high resistance in the signal circuit and the low reference circuit of the fuel level sensor.
2. DTCs will be set in the PCM when you perform this diagnostic table.

Fig 1: Diagnostic System Check - Fuel Gage Inaccurate Or Inoperative (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Diagnostic System Check - Fuel Gage Inaccurate Or Inoperative (2 Of 2)

Courtesy of GENERAL MOTORS CORP.