MasterTuning Fault code dictionary (DTC)

P2099 — Post Catalyst Fuel Trim System Too Rich Bank 2

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningPost Catalyst Fuel Trim System Too Rich Bank 2.
FamilyPowertrain (P)

Frequently asked questions

What does code P2099 mean?

Post Catalyst Fuel Trim System Too Rich Bank 2. Post Catalyst Fuel Trim System Too Rich Bank 2.

Can I keep driving with code P2099 active?

With caution: limp mode possible, have it checked soon

How do you fix code P2099?

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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