Details On DTCs

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 P0015:00 (PCM, SKYACTIV-G, (VIN L) WITHOUT CYLINDER DEACTIVATION, US) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Hydraulic variable valve timing control system: over-retarded
Detection condition	Determination conditions	For the advance amount from the maximum exhaust valve retard position, a condition in which the actual advance amount is smaller than the target value continues for a specified period of time.
	Preconditions	Engine oil temperature: 20°C {68°F} or more^1 Hydraulic variable valve timing control: maximum cam advanced mode The following DTCs are not detected: P0335:00 and P0365:00 ^1 : Standard can be verified by displaying PIDs using M-MDS
	Malfunction determination period	5 s period
	Drive cycle	2
	Self test type	CMDTC self test
	Sensor used	CKP sensor Exhaust CMP sensor
Fail-safe function	Not applicable
Vehicle status when DTCs are output	Not applicable
Possible cause	OCV malfunction Spool valve in OCV is stuck in retard position Low engine oil level Hydraulic variable valve timing actuator malfunction Timing chain malfunction Poor assembly of timing chain Looseness or jumping Mis-detection of exhaust CMP sensor Engine oil malfunction Use of unspecified engine oil Low engine oil pressure Engine oil runners are clogged or have leakage PCM malfunction