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Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic [Advanced Keyless Entry System And Push Button Start System] >> DTC U3003:16, U3003:17 [Advanced Keyless Entry And Push Button Start System] >> Notes
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DTC U3003:16, U3003:17 [Advanced Keyless Entry And Push Button Start System]: Notes

DETECTION CONDITION  U3003:16  Battery power supply circuit (+B1) voltage 4 V-9 V  is detected for 10 s 
U3003:17  Battery power supply circuit (+B1) voltage higher than 16 V  is detected for 0.5 s,  while engine is running
POSSIBLE CAUSE 
  • MAIN 125 A fuse malfunction
  • BTN 30 A fuse malfunction
  • ROOM 15 A fuse malfunction
  • Battery malfunction
  • Generator malfunction
  • Connector or terminal malfunction
  • Short to ground in wiring harness between BCM terminal 4B and battery positive terminal
  • Open circuit in wiring harness between BCM terminal 4B and battery positive terminal
  • Short to ground in wiring harness between BCM terminal 7N and keyless control module terminal 1D
  • Open circuit in wiring harness between BCM terminal 7N and keyless control module terminal 1D
  • BCM malfunction
  • Keyless control module malfunction
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