MasterTuning Fault code dictionary (DTC)

159 — Lambda Post Cat Bank 2 Max Limit

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningLambda Post Cat Bank 2 Max Limit.
SystemMS41
FamilyManufacturer-native code

Frequently asked questions

What does code 159 mean?

Lambda Post Cat Bank 2 Max Limit. Lambda Post Cat Bank 2 Max Limit. (System: MS41)

Can I keep driving with code 159 active?

With caution: limp mode possible, have it checked soon

How do you fix code 159?

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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