Powertrain
Definition only
Lights the check engine lamp
P2CE9: Particulate Filter Pressure Sensor C Circuit Intermittent/Erratic
Standardized SAE J2012 code · P2Cxx codes
What does P2CE9 mean?
The ECM detects a circuit intermittent/erratic fault on the particulate filter pressure sensor c. Reading cannot be used reliably for control.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light or DPF warning light on
- Power loss / limp mode
- Increased fuel consumption
- Failed forced regeneration attempts
Common causes
- High Sensor connector not seated
- Medium Noisy ground reference
- Low Connector with intermittent contact under vibration
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2CE9 on the same make and model first.
P2CE9 in the community
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