P2CEA
Particulate Filter Pressure Sensor D Circuit
The ECM detects a circuit fault on the particulate filter pressure sensor d. Reading cannot be used reliably for control.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Common causes
Ordered by how often each turns out to be the cause.
- Sensor failedCommon
- Wiring or connector faultPossible
Parts involved
- Pf Pressure Sensor D
- Wiring Harness
- ECM
P2CEA 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.