Low Fuel Lamp/Indicator: Testing and Inspection

The diagnosis found here addresses an inoperative low fuel warning lamp condition. If the problem being diagnosed is related to lamp accuracy, be certain to confirm the problem is the with the low fuel warning lamp and not with the fuel gauge circuit. Refer to Instrument Panel, Gauges and Warning Indicators/Fuel Gauge/Testing and Inspection. If no fuel gauge problem is found, see Instrument Panel/Testing and Inspection.

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO AIRBAGS BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.


If the low fuel warning lamp fails to light during the bulb test (about two seconds after the ignition switch is turned to the On position), replace the low fuel warning lamp bulb with a known good unit. If the indicator lamp still fails to operate, diagnosis of the fuel gauge sending unit and circuit, the Powertrain Control Module (PCM), and the Chrysler Collision Detection (CCD) data bus should be performed with a DRB scan tool as described in the proper Diagnostic Procedures manual. For further diagnosis of the low fuel warning lamp and the instrument cluster circuitry, refer to Instrument Panel/Testing and Inspection. Testing and Inspection