Ambient Air Temperature Signal
P0072 may indicate the ECM is seeing the ambient air temperature signal as not plausible or outside expected behavior.
Article vehicle: 2022 Chevrolet Silverado 2500 6.6 diesel
Read diagnostic guideDiagnostic system
Engine sensors
Published vehicle-specific guides in this diagnostic system.
Mass Air Flow Sensor Performance
P0101 often means the engine controller may see a mass air flow reading that does not match the airflow it expects from other engine inputs.
Article vehicle: 2022 Chevrolet Silverado 2500 6.6 diesel
Read diagnostic guide