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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZI-3.5) >> DTC P1633 >> Notes
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DTC P1633: Notes

DTC P1633 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P1633 Keep alive power voltage too low
DETECTION CONDITION 
  • Indicates the keep alive power circuit has experienced a voltage interrupt.
POSSIBLE CAUSE 
  • Connector or terminal malfunction
  • Open circuit between battery positive terminal and PCM terminal 1 BB
G04969308Courtesy of MAZDA MOTORS CORP.
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