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Symptom List: P0462-FUEL LEVEL SENDING UNIT VOLTS TOO LOW Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0462-FUEL LEVEL SENDING When Monitored and Set Condition: P0462-FUEL LEVEL SENDING UNIT VOLTS TOO LOW When Monitored: Ignition on and battery voltage above 10.4 volts. Set Condition: The fuel level sensor signal voltage goes below 0.4 volts for more than 90 seconds. P0463-FUEL LEVEL SENDING UNIT VOLTS 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 9.9 volts for more than 90 seconds. POSSIBLE CAUSES GOOD TRIP EQUAL TO ZERO INTERMITTENT CONDITION TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTC’s. Is the Good Trip displayed and equal to zero? All Yes → Refer to the Instrument Cluster Category and perform the appro- priate symptoms. No → Refer to the INTERMITTENT CONDITION symptom in the Driveability category. 127 DRIVEABILITY - SBEC |