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Home >> GMC >> 2003 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Gages, And Console >> Diagnostic Information and Procedures >> DTC P2068: Secondary Fuel Level Signal High >> Test Description

Test Description

The number below refers to the step number on the diagnostic table.

3. Tests for the proper operation of the circuit in the low voltage range.

Fig 1: DTC P2068 (Steps 1-2)
G01579369Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P2068 (Steps 3-10)
G01579370Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC P2068 (Steps 11-12)
G01579371Courtesy of GENERAL MOTORS CORP.