# Service bulletin 2100622

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: 10212419
- Published by NHTSA: 2022\-05\-31
- Manufacturer's number: 2100622
- Manufacturer's date: 2022\-03\-22
- NHTSA component: POWER TRAIN; EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience the following:Harsh or erratic shifting between any gear.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10212419-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10212419-9999.pdf)

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

## Components

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

## Vehicles listed

- 2022 ALFA ROMEO STELVIO

## Other bulletins for the same vehicles and component

- [1804123](/bulletins/10241137.md), 2023-08-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) 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: ? \*\*P1CEA\-00 \- Boost Side EVAP Purge System Performance.\*\* ? P2AC0\-00 \- Intake Air O2 Sensor Reference Voltage Circuit Range/Performance Bank 1. This bulletin involves reprogramming the PCM with the latest available software.
- [1804123A](/bulletins/10241060.md), 2023-08-21, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) 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: ? P2AC0\-00 \- Intake Air O2 Sensor Reference Voltage Circuit Range/Performance Bank 1. This bulletin involves reprogramming the PCM with the latest available software.
- [2100923](/bulletins/10236927.md), 2023-05-30, Service bulletin: FUEL SYSTEM, GASOLINE; POWER TRAIN; ELECTRICAL SYSTEM; BACK OVER PREVENTION; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; SERVICE BRAKES, HYDRAULIC; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Flash: Transmission Control Module \(TCM\) Updates \*\*Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find 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 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.\*\*Some customers may experience the following: ? Harsh or erratic shifting between any gear. 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 \(PCM\).\*\*
- [1804123](/bulletins/10236901.md), 2023-05-30, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN. Flash: Powertrain Control Module \(PCM\) 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: ? \*\*P1CEA\-00 \- Boost Side Evap Purge System Performance.\*\* ? P2AC0\-00 \- Intake Air O2 Sensor Reference Voltage Circuit Range/Performance Bank 1. This bulletin involves reprogramming the PCM with the latest available software.
- [18\-069\-22](/bulletins/10214611.md), 2022-06-27, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Engine Control Module \(ECM\), also known as a PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set: P2AC0\-00 \- Intake Air O2 Sensor Reference Voltage Circuit Range/Performance Bank 1.

JSON: [/v1/bulletins/10212419](/v1/bulletins/10212419)

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