2022 Alfa Romeo Stelvio MIL with DTCs P1CEA-00, P2AC0-00
Owners of 2022 Alfa Romeo Stelvio vehicles may encounter a Malfunction Indicator Lamp (MIL) illumination, accompanied by Diagnostic Trouble Codes (DTCs) P1CEA-00 or P2AC0-00. This issue is addressed by a Powertrain Control Module (PCM) software update, as detailed in NHTSA ID 10241137.
Owners of the 2022 Alfa Romeo Stelvio may experience an illuminated Malfunction Indicator Lamp (MIL) on their dashboard. This issue, addressed by a manufacturer communication under NHTSA ID 10241137, indicates a potential problem within the vehicle's powertrain system. This specific 2022 Alfa Romeo Stelvio manufacturer_communication outlines a software update designed to correct the underlying cause of these warnings.
Symptoms
If your 2022 Alfa Romeo Stelvio has an illuminated Malfunction Indicator Lamp (MIL), it is a primary symptom. Technicians investigating this issue may find specific Diagnostic Trouble Codes (DTCs) stored in the vehicle's system.
Fault Codes / DTCs
The following Diagnostic Trouble Codes (DTCs) may be present when the Malfunction Indicator Lamp (MIL) illuminates:
| Code | Description |
|---|---|
| P1CEA-00 | Boost Side EVAP Purge System Performance |
| P2AC0-00 | Intake Air O2 Sensor Reference Voltage Circuit Range/Performance Bank 1 |
Diagnosis
When a technician investigates an illuminated MIL in a 2022 Alfa Romeo Stelvio, they will connect to the vehicle's diagnostic system to retrieve any stored DTCs. The presence of codes such as P1CEA-00 or P2AC0-00 points towards a software-related issue within the Powertrain Control Module (PCM).
Repair Procedure Summary
The resolution for these issues involves reprogramming the Powertrain Control Module (PCM). This procedure updates the PCM with the latest available software version, which contains corrections for the conditions that trigger the "Boost Side EVAP Purge System Performance" and "Intake Air O2 Sensor Reference Voltage Circuit Range/Performance Bank 1" fault codes. This software update is the recommended fix outlined in the 2022 Alfa Romeo Stelvio manufacturer_communication.
Owner Action
If you own a 2022 Alfa Romeo Stelvio and observe the Malfunction Indicator Lamp (MIL) illuminated, it is recommended to schedule an appointment with an authorized Alfa Romeo dealership. The dealership service department will be able to diagnose the specific DTCs present and perform the necessary Powertrain Control Module (PCM) software update. This update is typically performed under warranty if your vehicle is still within the applicable warranty period.
Source: NHTSA ID: 10241137
Frequently Asked Questions
- What does DTC P1CEA-00 mean for my Alfa Romeo Stelvio?
- DTC P1CEA-00 indicates a performance issue with the "Boost Side EVAP Purge System" in your 2022 Alfa Romeo Stelvio. This often points to a software-related problem within the Powertrain Control Module (PCM) that can be resolved with an update.
- Can I fix the MIL light and DTC P2AC0-00 myself in my 2022 Alfa Romeo Stelvio?
- While some diagnostic tools can read DTCs, the resolution for DTC P2AC0-00 and the illuminated Malfunction Indicator Lamp (MIL) requires a specialized software update to the Powertrain Control Module (PCM). This procedure should be performed by an authorized Alfa Romeo dealership.
- Is the PCM software update for my Stelvio covered under warranty?
- Yes, the reprogramming of the Powertrain Control Module (PCM) to address the MIL illumination and related DTCs like P1CEA-00 and P2AC0-00 is typically covered under your vehicle's factory warranty. It's best to confirm with your Alfa Romeo dealer.
- How long does the PCM reprogramming take for my 2022 Alfa Romeo Stelvio?
- The actual software reprogramming process for the Powertrain Control Module (PCM) is relatively quick, usually taking less than an hour. However, the total service appointment time may vary depending on the dealership's schedule and other diagnostic checks.
What Alfa Romeo Stelvio owners report
Counted from the records in our database across 8 model years.
- 215
- Owner complaints
- 18
- Recalls
- 323
- Service bulletins
- 8
- Crashes reported
- 4
- Fires reported
- 7
- Injuries reported
The 2022 model year
8 complaints, the 4th most of 8 model years on file. Owners reported 1 crash, 0 fires and 2 injuries for this year, which also has 3 recalls on file.
Electrical System and Power Train, the system this article covers, accounts for 75 of 215 complaints (35%), including 2 for 2022.
Complaints by model year
| 2018 | 135 | |
|---|---|---|
| 2019 | 36 | |
| 2020 | 19 | |
| 2021 | 7 | |
| 2022 | 8 | |
| 2023 | 6 | |
| 2024 | 2 | |
| 2025 | 2 |
Most-reported systems
- Engine — 65
- Electrical System — 64
- Fuel System — 48
- Gasoline — 48
- Fuel/Propulsion System — 43
Latest recalls for the 2022 model year
- 25V667000 — Back Over Prevention (Oct 2025)
- 24V510000 — Air Bags (Jul 2024)
- 24V512000 — Equipment (Jul 2024)
Recent owner reports about electrical system and power train
For over 12 months since October 2025, the vehicle has intermittently (and progressively more regularly) thrown multiple, concurrent dash warnings/error messages for multiple vehicle functions, followed typically by (and without driver input) shifting the…
Read owner complaints →The rearview camera system stopped functioning on about 2/29/2024. At around the same time, the front proximity sensor began to intermittently falsely indicate an object in the vehicle's path when there is no object, including when the vehicle is traveling at…
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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