DTC P0463:00 [MZI-3.7]

id0102d2301700

DTC P0463:00 | Fuel gauge sender unit circuit high input (2WD) Fuel gauge sender unit (main) circuit high input (AWD)
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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
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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].)
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. (See KOEO/KOER SELF TEST [MZI-3.7].) • Is the PENDING CODE for the DTC present? | Yes | Repeat the inspection from Step 1. • If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [MZI-3.7].) Go to the next step.
No | Go to the next step.
6 | VERIFY AFTER REPAIR PROCEDURE • Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [MZI-3.7].) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [MZI-3.7].)
No | Troubleshooting completed.