TSB Document:

• SB-10096229-1020.pdf

Affected Component: FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

Summary

"ISSUE: WHEN INVESTIGATING CUSTOMER REPORTS FOR INCORRECT FUEL GAUGE CONCERNS THE DEALER TECHNICIAN MAY DIAGNOSE THAT THE FUEL SENDERS ARE OPEN CIRCUIT. THIS DIAGNOSIS MAY BE INCORRECT DEPENDING ON THE MULTIMETER SETTINGS SELECTED BY THE TECHNICIAN DURING MEASUREMENT. CAUSE: THE MULTI METER RANGE MAYBE SET AT 'AUTO' AND DURING A SWEEP OF THE SENDER FROM 50OHMS TO 998OHMS THE MULTI METER HAS TO CHANGE ITS MEASUREMENT RANGE. FOR APPROXIMATELY 1 SECOND, DURING THE RANGE SWITCH OVER POINT, THE MULTI METER DISPLAY INDICATES AN OPEN CIRCUIT. THIS IS INCORRECTLY BEING DIAGNOSED AS A SENDER FAULT"

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