P02E0
Diesel Intake Air Flow A Control Circuit/Open
The drive circuit for the diesel intake air-flow control valve A is open. This valve (also called intake throttle, swirl flap actuator, or anti-shudder valve) closes the diesel intake to control airflow during regeneration and shutdown.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Actuator winding openCommon
- Open wire to actuatorPossible
- Pin pushed back out of connector bodyLess likely
Parts involved
- Diesel Intake Throttle
- Diesel Intake Throttle Actuator
P02E0 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.