P015F
Excessive Time to Enter Closed Loop Cylinder Balance Control
ECU took longer than allowed to enter closed-loop cylinder balance control.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Sensor heater agingCommon
Parts involved
- Oxygen Sensor
- Fuel Injectors
P015F 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.