OBD-II Diagnostic Trouble Code

P1521

Incorrect Engine Oil Type

P

Powertrain
engine / trans

1

Mfr
manufacturer code

5

Speed / idle / inputs

21

Incorrect Engine Oil Type

Severity · general guide

Moderate

Fix soon — usually won't strand you

Code type

Ram

System

Powertrain

Model

RAM 1500

Years

2002-2008