P062D
Fuel Injector Driver Circuit Performance Bank 1
The injector driver stage on bank 1 - the high-side or low-side switching transistor that fires the injectors - reports a performance fault. Typical for a partial driver short, drift in the boost capacitor, or supply ripple under load.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Common causes
Ordered by how often each turns out to be the cause.
- Driver stage partial shortCommon
Parts involved
- Injector Driver B1
P062D 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.