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Service bulletin 21-044-19

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10170397
Published by NHTSA2020-01-21
Manufacturer's number21-044-19
Manufacturer's date2019-12-17
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Flash: Transmission Control Module (TCM) Update This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find thefollowing Diagnostic Trouble Codes (DTCs) have been set: P0002-00 - Fuel Volume Regulator "A" Control Circuit Performance. P026E-00 - Charge Air Cooler Coolant Pump Performance. P1066-00 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P26E4-00 - Starter Relay "B" Circuit. P2B61-00 - Engine Coolant Flow Control Valve Stuck Closed. P2BC1-00 - Lt Water Pump Smart Driver Module. U1008-00 - LIN 1 Bus. Enhancements to this software release:Transmission shift quality improvements.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Transmission and driveline, Automatic transmission, Transmission control module

Trouble codes named

P0002, P026E, P1066, P26E4, P2B61, P2BC1, U1008

Vehicles listed
ALFA ROMEO STELVIO2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
18045232023-05-30. Service bulletin. 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 DTCs have been set: ? **P0331-00 - Knock Sensor 2 Circuit Range/Performance.** ? P0106-00 - Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance. ? P013A-00 - O2 Sensor Slow Response Rich To Lean Bank 1 Sensor 2. ? P015A-00 - O2 Sensor Delayed Response Rich To Lean Bank 1 Sensor 1. ? P026E-00 - Charge Air Cooler Coolant Pump Performance. ? U1008-00 - LIN 1 BUS. ? P1CEA-00 - Boost Side EVAP Purge System Performance. Customers may experience one or more of the following: ? Not passing vehicle certification during state inspections if performed after a system reset. ? Drive-ability issues. In addition, the following improvement is also available: ? Turbo coolant pump after run duration and on-off strategy update, to improve turbo O-ring durability. This bulletin involves reprogramming the PCM with the latest available software.
S20180000122020-12-28. Service bulletin. 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.
S20180000122020-12-21. Service bulletin. 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.
S20180000112020-11-30. Service bulletin. Issue includes a fault code(s) set in the Powertrain Control Module (PCM) for P0299, P0300, P0301, P0302, P0303, and/or P0304 after performing the PCM software update process for Customer Satisfaction Notification (CSN) W05.
18-024-202020-05-18. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module (ECM), also knownas a PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs have been set:P0106-00 - Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance. P013A-00 - O2 Sensor Slow Response Rich To Lean Bank 1 Sensor 2. P015A-00 - O2 Sensor Delayed Response Rich To Lean Bank 1 Sensor 1. P026E-00 - Charge Air Cooler Coolant Pump Performance. U1008-00 - LIN 1 BUS. P1CEA-00 - Boost Side EVAP Purge System Performance. Customers may experience one or more of the following:Not passing vehicle certification during state inspections if performedafter a system reset. Drive-ability issues. In addition, the following improvement is also available:Turbo coolant pump after run duration and on-off strategy update, to improveturbo O-ring durability.
W052020-05-18. Service bulletin. Customer Satisfaction Notification W05 Reprogram Powertrain Control Module
18-024-202020-04-27. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module (ECM), also knownas a PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs have been set:P0106-00 - Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance. P013A-00 - O2 Sensor Slow Response Rich To Lean Bank 1 Sensor 2. P015A-00 - O2 Sensor Delayed Response Rich To Lean Bank 1 Sensor 1. P026E-00 - Charge Air Cooler Coolant Pump Performance. U1008-00 - LIN 1 BUS. P1CEA-00 - Boost Side EVAP Purge System Performance. Customers may experience one or more of the following: Not passing vehicle certification during state inspections if performedafter a system reset. Drive-ability issues. In addition, the following improvement is also available:Turbo coolant pump after run duration and on-off strategy update, to improve turbo O-ring durability.