DTC P05C0; Pcm Active Air Shutter: Actuator Temperature Abnormality: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC P05C0:00	Active air shutter: Actuator temperature abnormality
DETECTION CONDITION	Internal temperature of active air shutter actuator is certain value or more. Diagnostic support note This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA (Mode 2) is not available. Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Turns master warning light on. Stops active air shutter control.
POSSIBLE CAUSE	Engine overheating Active air shutter malfunction PCM malfunction
SYSTEM WIRING DIAGRAM	Not applicable