P2002: Diesel Particulate Filter Efficiency Below Threshold Bank 1
MediumPowertrainDiesel System
What does P2002 mean?
P2002 is a diagnostic trouble code indicating "Diesel Particulate Filter Efficiency Below Threshold Bank 1". This code relates to your vehicle's diesel system and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.
Common causes
- Faulty diesel system component
- Wiring or connector issue in the related circuit
- Failed sensor providing incorrect readings
- Software/calibration issue requiring ECU update
- Related component causing secondary fault
What should you do?
Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.
Get a diagnosis for YOUR car
Code P2002 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.