DTC P2091:00 [Pcm (SKYACTIV-G (VIN M))]: Outline

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DTC P2091:00 (PCM, SKYACTIV-G, VIN M) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	OCV for hydraulic variable valve timing system circuit high input
Detection condition	The OCV for hydraulic variable valve timing system control voltage relative to the PCM control is too high.
Fail-safe	Set the exhaust variable valve timing control to the maximum advanced position.
Possible cause	OCV for hydraulic variable valve timing system connector or terminals malfunction PCM connector or terminals malfunction Short to power supply in OCV for hydraulic variable valve timing system control circuit OCV for hydraulic variable valve timing system malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.