Code Definition

P011C — Intercooler temperature and intake air temperature sensor mismatch - Bank 1

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P011C

P011C is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P011C is stored, the module has detected a bank-specific fault, meaning it applies only to one cylinder bank of a multi-bank engine; and a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P011C is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The fault code P011C is set when the Engine Control Module (ECM) detects a mismatch between the signals from the intercooler temperature sensor and the intake air temperature sensor for Bank 1. This discrepancy indicates that the temperature readings from these two sensors, which should generally be consistent or follow a predictable pattern, are significantly different. Such mismatches can result from sensor malfunctions, issues in the sensor circuits, or actual variations in temperature due to problems in the intake or intercooling system. Accurate temperature readings are essential for the ...

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