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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 611 (On-Board Diagnostic [Body Control System)) >> DTC U3003:16/U3003:17 [BCM] >> Notes

DTC U3003:16/U3003:17 [BCM]: Notes

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DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION BCM power supply circuit malfunction
DETECTION CONDITION  U3003:16  BCM power supply voltage low (less than 10 V) 
U3003:17  BCM power supply voltage high (more than 16 V) 
POSSIBLE CAUSE 
  • HAZARD 10 A fuse malfunction
  • Battery malfunction
  • Generator malfunction
  • Connector or terminal malfunction
  • Short to ground in wiring harness between battery positive terminal and BCM terminal 2J
  • Open circuit in wiring harness between battery positive terminal and BCM terminal 2J
  • BCM malfunction
G06200578Courtesy of MAZDA MOTORS CORP.