Code Definition

P00A0 — Intercooler Temperature Sensor Signal Error - Bank 2

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

About P00A0

P00A0 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 P00A0 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 P00A0 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 P00A0 fault code is set when the Engine Control Module (ECM) detects an error in the signal from the Charge Air Cooler (CAC) temperature sensor, also known as the intercooler temperature sensor, in Bank 2 of the engine. This sensor measures the temperature of the air after it passes through the intercooler in vehicles with turbocharged or supercharged engines. The intercooler's role is to cool down the compressed air from the turbocharger or supercharger before it enters the engine, thereby increasing its density and improving combustion efficiency. An error in the intercooler temperature ...

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