MasterTuning Fault code dictionary (DTC)

P2189 — System Too Lean at Idle Bank 2

Severity: Warning Can you drive? Yes, no known limitation Make: All makes (OBD-II standard)
MeaningSystem Too Lean at Idle Bank 2.
FamilyPowertrain (P)

Frequently asked questions

What does code P2189 mean?

System Too Lean at Idle Bank 2. System Too Lean at Idle Bank 2.

Can I keep driving with code P2189 active?

Yes, no known limitation

How do you fix code P2189?

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.

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Where to get it fixed

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