DTC U1100:00 [Pcm (SKYACTIV-G)]: Outline

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DTC U1100:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	LIN communication system: Communication error between engine oil level sensor and PCM
Detection condition	With the following conditions continued for 1.5 s, a communication error between the PCM and engine oil level sensor is continued for 5 s or more. Precondition Battery voltage: 10-16 V Ignition switched ON (engine off or on)
Fail-safe	Not applicable
Possible cause	LIN communication line malfunction between engine oil level sensor and PCM Engine oil level sensor connector or terminals malfunction F10 15 A fuse malfunction Short to ground in engine oil level sensor power supply circuit Open circuit in engine oil level sensor power supply circuit PCM connector or terminals malfunction Engine oil level sensor malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.