MasterTuning Fault code dictionary (DTC)

P1111 — Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningIntake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage.
FamilyPowertrain (P)

Frequently asked questions

What does code P1111 mean?

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage. Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage.

Can I keep driving with code P1111 active?

With caution: limp mode possible, have it checked soon

How do you fix code P1111?

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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