P2001 — NOx Trap Efficiency Below Threshold Bank 2
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: All makes (OBD-II standard)
| Meaning | NOx Trap Efficiency Below Threshold Bank 2. |
| Family | Powertrain (P) |
Frequently asked questions
What does code P2001 mean?
NOx Trap Efficiency Below Threshold Bank 2. NOx Trap Efficiency Below Threshold Bank 2.
Can I keep driving with code P2001 active?
With caution: limp mode possible, have it checked soon
How do you fix code P2001?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
Need help with this fault?
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Where to get it fixed
Related codes
- P2000 — NOx Trap Efficiency Below Threshold Bank 1
- P2002 — Diesel particulate filter (DPF) clogged
- P2003 — Particulate Trap Efficiency Below Threshold Bank 2
- P2004 — Intake Manifold Runner Control Stuck Open Bank 1
- P2005 — Intake Manifold Runner Control Stuck Open Bank 2
- P2006 — Intake Manifold Runner Control Stuck Closed Bank 1
- P2007 — Intake Manifold Runner Control Stuck Closed Bank 2
- P2008 — Intake Manifold Runner Control Circuit/Open Bank 1
- P2009 — Intake Manifold Runner Control Circuit Low Bank 1
- P200A — Component N15/3(ETC control module) is faulty.
- P200B — Component N15/3(ETC control module) is faulty.
- P200C — Component N15/3(ETC control module) is faulty.