Code Definition

P0096 — Intake Air Temperature Sensor 2 Circuit Range/Performance

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

About P0096

P0096 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 P0096 is stored, the module has detected a plausibility fault — the measured value is in the electrical range but is not consistent with expected operating behaviour; 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 P0096 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 P0096 code indicates a problem with the range or performance of the Intake Air Temperature (IAT) Sensor 2 circuit. This sensor measures the temperature of air entering the engine and provides vital data to the Engine Control Module (ECM) for optimal fuel mixture, ignition timing, and engine performance. The ECM sets this code when it detects that the reading from IAT Sensor 2 is out of the expected range or its performance is inconsistent.

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