DTC P0463:00 [MZI-3.7 (PCM CONNECTOR (3 TYPES))]

id0102e4301700

DTC P0463:00

Fuel gauge sender unit circuit high input (2WD)

Fuel gauge sender unit (main) circuit high input (AWD)
DETECTION CONDITION
•  The PCM monitors the fuel level input communications network message for a concern. The test fails if the fuel level input signal is more than the maximum allowable calibrated parameter for a specified fuel-fill percentage in the fuel tank.
POSSIBLE CAUSE
•  Fuel pump malfunction
•  Incorrectly installed fuel gauge
•  Instrument cluster malfunction
•  Fuel level input signal circuit malfunction
•  Overfilled fuel tank
•  Fuel gauge malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING CODE OR STORED DTCs
•  Turn the ignition switch off then to the ON position (Engine off).
•  Verify related pending code or stored DTCs.
•  Is other DTCs present?
Yes
Go to the appropriate DTC troubleshooting.
(See DTC TABLE [MZI-3.7 (PCM CONNECTOR (3 TYPES))].)
No
Go to the next step.
4
VERIFY STORED DTC IN INSTRUMENT CLUSTER
•  Turn the ignition switch off then to the ON position (Engine off).
•  Verify stored DTCs in instrument cluster.
•  Is other DTCs present?
Yes
Go to the appropriate DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
5
VERIFY TROUBLESHOOTING OF DTC P0463:00 HAS BEEN COMPLETED
•  Verify that all disconnected connectors reconnected.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Perform the KOEO or KOER self-test.
•  Is the PENDING CODE for the DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
6
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.7 (PCM CONNECTOR (3 TYPES))].)
No
Troubleshooting completed.