Service bulletin W05

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)
Type	Service bulletin
NHTSA id	10175111
Published by NHTSA	2020-05-18
Manufacturer's number	W05
Manufacturer's date	2020-03-10
NHTSA component	POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Customer Satisfaction Notification W05 Reprogram Powertrain Control Module

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

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
ALFA ROMEO GIULIA	2017 to 2019
ALFA ROMEO STELVIO	2018, 2019

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
1804523	2023-05-30. 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.
1801721	2022-09-26. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available softwareand replacing the oil vapor recovery tube. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set:P032D-00 - Knock Sensor 3 Circuit High. P008A-00 - Low Pressure Fuel System Pressure - Too Low. P034C-00 - Ion Sense System Performance. P051B-00 - Crankcase Pressure Sensor Circuit Range/Performance.
S2018000012	2020-12-28. 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.
S2018000012	2020-12-21. 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.
S2018000011	2020-11-30. 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.
18-026-20	2020-05-18. Service bulletin. 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 one or more of the 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. P1CEA-00 - Boost Side EVAP Purge System Performance. P0096-00 - Intake Air Temperature Sensor 2 Circuit Range-Performance. P04DB-00 - Crankcase Ventilation System Disconnected. P024A-00 - Charge Air Cooler Bypass Control "A" Range/Performance. P2097-00 - Post Catalyst Fuel Trim System Rich. P2B2F-00 - Fan 1 Performance/Stuck Off. P24D6-00 - EVAP System Pressure Sensor/Switch "B" Circuit Range/Performance. P01BA-00 - Engine Oil Temperature Sensor "B" Range/Performance. P026E-00 - Charge Air Cooler Coolant Pump Performance. P164E-00 - A/C Clutch Relay Control Range/Performance. P0191-00 - Fuel Rail Pressure Sensor "A" Circuit Range/Performance. P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. U1008-00 - LIN 1 BUS. Customers may experience one or more of the following:Not passing vehicle certification during state inspections if performed after a system reset. Driveability issues. Engine misfire when cold. In addition, the following improvements are also available:Turbo coolant pump after run duration and on-off strategy update, to improve turbo O-ring durability. Message ?S&S Not Available? will be changed to ?Hood Open?. Improved idle stability during tip in tip out. Improved idle stability during an Engine Start Stop (ESS) event.
18-024-20	2020-05-18. 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.
18-024-20	2020-04-27. 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.
21-044-19	2020-01-21. Service bulletin. 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.