DTC P1380-00: Electric Variable Valve Timing Signal Circuit Problem: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC P1380:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Electric variable valve timing signal circuit problem
Detection condition	A malfunction is detected in the results of the on-board diagnostic test received from the electric variable valve timing driver.
Fail-safe	Stops activation of the electric variable valve timing driver.
Possible cause	Electric variable valve timing motor/driver connectors or terminals malfunction Short to ground in electric variable valve timing motor/driver signal circuit PCM connector or terminals malfunction Short to power supply in electric variable valve timing motor/driver signal circuit Open circuit in electric variable valve timing motor/driver signal circuit Electric variable valve timing driver malfunction Electric variable valve timing motor malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.