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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (On-Board Diagnostic [Engine Controls MZI 3.7] (4 Of 5)) >> DTC P0643:00 >> Notes

DTC P0643:00: Notes

WARNING: This page is about a different variant/trim than selected.
DTC P0643:00 Sensor reference voltage circuit high
DETECTION CONDITION 
  • Indicates the reference voltage circuit is higher than reference voltage maximum.
POSSIBLE CAUSE 
  • Short to power supply between fuel tank pressure sensor terminal A and PCM terminal 1D
  • Connector or terminal malfunction
  • Fuel tank pressure sensor malfunction
G08140167Courtesy of MAZDA MOTORS CORP.
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