P1521 – Incorrect Engine Oil Type

P1521 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1521 Possible Causes

Incorrect engine oil viscosity,Incorrect oil type,Oil contamination

P1521 Description

Incorrect Engine Oil Type is the generic description for the P1521 code, but the manufacturer may have a different description. Currently we have no further information abouth the P1521 OBDII code.