MasterTuning Fault code dictionary (DTC)

U011A — LOST COMMUNICATION WITH EXHAUST GAS SENSOR MODULE

Severity: Serious Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningLOST COMMUNICATION WITH EXHAUST GAS SENSOR MODULE.
FamilyNetwork (U)

Frequently asked questions

What does code U011A mean?

LOST COMMUNICATION WITH EXHAUST GAS SENSOR MODULE. LOST COMMUNICATION WITH EXHAUST GAS SENSOR MODULE.

Can I keep driving with code U011A active?

With caution: limp mode possible, have it checked soon

How do you fix code U011A?

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?

We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.

Contact us
Where to get it fixed

Related codes