# Service bulletin 1808023

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10241139
- Published by NHTSA: 2023\-08\-21
- Manufacturer's number: 1808023
- Manufacturer's date: 2023\-06\-30
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241139-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241139-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- 2021 ALFA ROMEO STELVIO

## Other bulletins for the same vehicles and component

- [2101723](/bulletins/10241141.md), 2023-08-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; POWER TRAIN. 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 \(PCM\).
- [S2125000003](/bulletins/10221635.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). The customer?s complaint includes a Mil/check engine lamp\-on condition. Upon further investigation, a P1CEA \- Boost Side Evap Purge System Performance DTC may be set in the PCM with no other DTCs set.
- [S2125000002](/bulletins/10221288.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint includes a Mil\-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
- [S2125000002](/bulletins/10212447.md), 2022-05-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint includes a Mil\-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
- [S2018000012](/bulletins/10184702.md), 2020-12-28, Service bulletin: ELECTRICAL SYSTEM; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Check engine lamp on. Fault code P0244\- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module \(PCM a.k.a. ECM\) after the turbocharger assembly has been replaced.

JSON: [/v1/bulletins/10241139](/v1/bulletins/10241139)

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