Code Definition

P010D — Airflow sensor volume signal High - sensor 2

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

About P010D

P010D 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 P010D is stored, the module has detected a signal or supply voltage lower than the expected operating range; a signal or supply voltage higher 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 P010D 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 P010D is activated when the Engine Control Module (ECM) detects that the signal from the second airflow sensor, typically a Mass Air Flow (MAF) sensor, is higher than expected. This high signal suggests that the sensor is reading a volume of air entering the engine that is more than what is actually present. Potential causes include a malfunctioning sensor, circuit issues, or air intake system irregularities. An excessively high airflow reading can lead to the ECM overestimating the air intake, potentially causing a rich air-fuel mixture, decreased fuel efficiency, and increased...

Join TaT to view the complete code information and diagnostic details.

Quick Facts