DTC P0463-00: Fuel Gauge Sender Unit Circuit High Input: Notes
DTC P0463:00 PCM (SKYACTIV-G 2.5 - WITH CYLINDER DEACTIVATION) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P0463:00 |
FUEL GAUGE SENDER UNIT CIRCUIT HIGH INPUT |
| DETECTION CONDITION |
- The PCM monitors the fuel level signal and fuel gauge sender unit output voltage from the instrument cluster. If the PCM detects a fuel level or fuel gauge sender unit output voltage that is too high, the PCM determines that the fuel gauge sender unit circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- The check engine light does not illuminate.
- FREEZE FRAME DATA is not available.
- Snapshot data is available.
- DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
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| POSSIBLE CAUSE |
- Fuel gauge sender unit connector or terminals malfunction
- Rear body control module (RBCM) connector or terminals malfunction
- Short to power supply in wiring harness between fuel gauge sender unit terminal D and rear body control module (RBCM) terminal 3I
- Open circuit in wiring harness between the following terminals:
- Fuel gauge sender unit terminal D-Rear body control module (RBCM) terminal 3I
- Fuel gauge sender unit terminal C-Rear body control module (RBCM) terminal 3C
- Fuel gauge sender unit malfunction
- Rear body control module (RBCM) malfunction
- Instrument cluster malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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