Mini Cooper DPF / Diesel Particulate Filter Fault Codes — Causes, Symptoms & Repair

Browse 11 dpf / diesel particulate filter fault codes relevant to Mini Cooper vehicles. A fault code identifies the system reporting an out-of-range condition; accurate repair starts with a full diagnostic scan and live-data checks, not a parts guess.

Common Mini Cooper DPF / Diesel Particulate Filter Fault Codes

• P2002 — DPF Efficiency Below Threshold (Bank 1)
• P2003 — DPF Efficiency Below Threshold (Bank 2)
• P2452 — DPF Differential Pressure Sensor
• P2453 — DPF Differential Pressure Sensor Range/Performance
• P2459 — DPF Regeneration Frequency
• P246E — DPF Restriction — Forced Limited Power
• P244A — DPF Differential Pressure Too Low
• P244B — DPF Differential Pressure Too High
• P1471 — DPF Differential Pressure Sensor (Mercedes/BMW)
• P2463 — DPF Soot Accumulation
• P246F — DPF Restriction — Ash Accumulation

What to Do When a Warning Light Appears

• Record the warning message and any change in how the car drives.
• Avoid long or high-load driving if the warning is flashing, the car is overheating, or it has entered limp mode.
• Book a diagnostic scan so the stored code, live data and root cause can be checked before parts are replaced.