Result:

p0238

Generic
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Turbocharger/Supercharger Boost Sensor "A" Circuit High

GM
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Turbocharger Boost Circuit High Input Conditions
Cause:
    Engine speed less than 3506 rpm, then the PCM detected that the Turbocharger Boost Pressure input was more than or equal to 4 80v (202 kPa), condition met for 2 seconds

Look for code