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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P0463

P0463

Test 1 - 2:




Test 3 - 6:






SYMPTOM
P0463-FUEL LEVEL SENDING UNIT VOLTAGE TOO HIGH

WHEN MONITORED
Ignition on and battery voltage above 10.4 volts.

SET CONDITION
The Fuel Level Sensor signal voltage at the PCM goes above 4.95 volts for more than 90 seconds.

POSSIBLE CAUSES
- Fuel level sensor voltage above 4.9 volts
- Fuel level sensor
- (K226) fuel level sensor signal circuit shorted to voltage
- (K226) fuel level sensor signal circuit open
- (K4) sensor ground circuit open
- PCM