# P0073 on the 2021 Alfa Romeo Stelvio

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0073

- [11014704](https://open.wenmarpro.com/bulletins/11014704), 2025-03-03: "Flash: Powertrain Control Module \(PCM\) Updates \*\*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\):\*\* ● \*\*P0606 \- Control Module Processor.\*\* ● P043E\-00 \- EVAP System Leak Detection Reference Orifice Low Flow. ● P2C33\-00 \- Crankcase Pressure Sensor B Circuit Range/Performance. ● P2C91\-00 \- Crankcase Ventilation System \- Hose 9B9 Disconnected. ● P00B2\-00 \- Radiator Coolant Temperature Sensor Circuit Range\-Performance. ● P304A\-00 \- Fuel Rail Pressure Sensor 1 \- Out Of Range High. ● P304E\-00 \- Fuel Rail Pressure Sensor 2 \- Out Of Range High. ● P02D2\-00 \- Cylinder 4 Fuel Injector 9A9 Offset Learning At Min Limit. ● P0607\-00 \- Control Module Performance. ● P0072\-00 \- Ambient Air Temperature Sensor Circuit Low. ● P0073\-00 \- Ambient Air Temperature Sensor Circuit High. \*\*Customers may also experience the following: ● Vehicle goes into limp\-in mode.\* This bulletin involves reprogramming both the Primary \(ECM\) and Secondary \(ECM2\) Engine Control Modules \(ECMs\) also known as Powertrain Control Modules \(PCMs\) with the latest available software. NOTE: An additional module flash is required for this update to be effective, the following module is to be updated along with this PCM update: ● Transmission Control Module \(TCM\)"
- [10241141](https://open.wenmarpro.com/bulletins/10241141), 2023-08-21: Flash: Transmission Control Module \(TCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P043E\-00 \- EVAP System Leak Detection Reference Orifice Low Flow. ? P2C33\-00 \- Crankcase Pressure Sensor B Circuit Range/Performance. ? P2C91 \- Crankcase Ventilation System \- Hose B Disconnected. ? P00B2\-00 \- Radiator Coolant Temperature Sensor Circuit Range\-Performance. ? P304A\-00 \- Fuel Rail Pressure Sensor 1 \- Out Of Range High. ? P304E\-00 \- Fuel Rail Pressure Sensor 2 \- Out Of Range High. ? P02D2\-00 \- Cylinder 4 Fuel Injector A Offset Learning At Min Limit. ? P0607\-00 \- Control Module Performance. ? P0072\-00 \- Ambient Air Temperature Sensor Circuit Low. ? P0073\-00 \- Ambient Air Temperature Sensor Circuit High. This bulletin involves reprogramming the TCM with the latest available software. NOTE: Additional module flash is required for this update to be effective, the following module is to be updated along with this TCM update: ? Powertrain Control Module \(PCM\).