ALFA ROMEO
18-013-25
Manufacturer communications
- Publication date
- 2025-03-08
- Received by NHTSA
- 2025-03-11
- NHTSA record numbers
- 11015528
Manufacturer summary
Original wording in English
"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):**
• **P0606-00 - Control Module Processor.**
• 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. The customer may also experience the following:
• Vehicle is in limp 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."
• **P0606-00 - Control Module Processor.**
• 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. The customer may also experience the following:
• Vehicle is in limp 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."
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Alfa Romeo
P0072-00Ambient Air Temperature Sensor Circuit LowAlfa Romeo
P0073-00Ambient Air Temperature Sensor Circuit HighAlfa Romeo
P00B2-00Radiator Coolant Temperature Sensor Circuit Range-PerformanceAlfa Romeo
P02D2-00Cylinder 4 Fuel Injector ""A"" Offset Learning At Min LimitAlfa Romeo
P043E-00EVAP System Leak Detection Reference Orifice Low FlowAlfa Romeo
P0606-00Control Module ProcessorAlfa Romeo
P0607-00Control Module PerformanceAlfa Romeo
P2C33-00Crankcase Pressure Sensor B Circuit Range/PerformanceAlfa Romeo
P2C91Crankcase Ventilation System - Hose ""B"" DisconnectedAlfa Romeo
P304A-00Fuel Rail Pressure Sensor 1 - Out Of Range HighAlfa Romeo
P304E-00Fuel Rail Pressure Sensor 2-Out Of Range HighCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Alfa Romeo | STELVIO | 2022 |