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Home >> Mazda >> 2003 >> MX-5 Miata Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0463: Fuel Gauge Sending Unit Circuit - High Input >> Detection Condition

Detection Condition

DTC is set when fuel gauge sending unit voltage is more than 5.4 volts for 5 seconds. PCM determines that fuel gauge sender unit has a malfunction. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition in 2 consecutive drive cycles. Pending code is available if PCM detects malfunction condition during first drive cycle. Freeze Frame Data is available and DTC is stored in PCM memory.

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