Fuel Gauge Not Operating Properly - Chrysler Concorde 2004 Service Manual

Symptom:

*FUEL GAUGE NOT OPERATING PROPERLY

BODY CONTROL MODULE
INSTRUMENT CLUSTER
INSTRUMENT CLUSTER
VISUAL CONDITION NOT GOOD
CHECK FOR FUEL LEVEL SENDING UNIT RELATED BCM DTCS
DETERMINE IF FULL GAUGE IS INACCURATE
FUEL GAUGE DISPLAYS EMPTY
FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
OBSERVE THE FUEL GAUGE
INSPECT THE FUEL PUMP MODULE AND THE FUEL TANK
INSTRUMENT CLUSTER SELF TEST
TEST
1 Turn the ignition on.
With the DRB, select BODY, BODY COMPUTER, then read DTCs.
Is the Fuel Level Sending Unit Failure DTC set?
Yes → Refer to symptom list for problems related to fuel level sending
→ Go To 2
No
2 Turn the ignition to the Lock position.
During the self test all gauges should move from their lowest calibration point to
their highest calibration point then back down to its lowest.
Calibration points for the Fuel Gauge: E, 1/4, 1/2, F, 1/2, 1/4, E.
While holding the Trip/Reset button down on the Instrument Cluster, turn the
ignition forward one position (Unlock/Off position) to start the MIC self test, then
release the button.
Did the Fuel Gauge pass the self test?
Yes → Go To 3
→ Replace the Instrument Cluster in accordance with the Service
No
POSSIBLE CAUSES
ACTION
unit failure DTC.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
369
APPLICABILITY
All
All