DTC B1317/B1318 [Advanced Keyless And Start System]: Notes

DTC B1317/B1318 DETECTION CONDITION AND POSSIBLE CAUSE

DTC	B1317	Keyless control module power supply voltage increases (16.1 V or more)
	B1318	Keyless control module power supply voltage decreases (less than 9 V)
DETECTION CONDITION		When the keyless control module power supply voltage is not within 9-16 V  .
POSSIBLE CAUSE		Open or short circuit in wiring harness between battery and keyless control module Battery malfunction Keyless control module malfunction
Courtesy of MAZDA MOTORS CORP.