Code Definition

P010C — Airflow sensor volume signal low - sensor 2

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

About P010C

P010C 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 P010C is stored, the module has detected a signal or supply voltage lower than the expected operating range; 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 P010C 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 P010C is set when the Engine Control Module (ECM) detects that the signal from the second airflow sensor, typically a Mass Air Flow (MAF) sensor, is lower than expected. A low signal might indicate that the sensor is reading a volume of air entering the engine that is less than what is actually present. This can be due to sensor malfunction, circuit problems, or an issue with the air intake system. A low airflow reading can lead to the ECM miscalculating the air-fuel mixture, potentially causing a lean condition, reduced engine performance, and increased emissions.

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