Service bulletin 18-024-20

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	10175163
Published by NHTSA	2020-05-18
Manufacturer's number	18-024-20
Manufacturer's date	2020-03-25
NHTSA component	EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

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.

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

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

Trouble codes named

P0106, P013A, P015A, P026E, P1CEA, U1008

Vehicles listed
ALFA ROMEO STELVIO	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.
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.
S2008000010	2020-08-24. Service bulletin. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
08-065-20	2020-07-27. Service bulletin. RAN RAP RAG and RSD 2.5 Radio Software Enhancements This bulletin involves inspecting and if required, updating the radio to software level to MV 090.000.061The customer should be informed that after the reprogram, the radio will need to have the phones paired to theEntertainment Telematics Module (ETM). The operative details for pairing telephones and settings are shown in the Owner Handbook of the infotainment module. Some customers may experience one or more of the following: Radio may reboot while driving.Software update will help correct existing issue. Radio stays on if you exit the vehicle during a phone call. When the vehicle is remote started the radio will turn on at the previously set volume level.
S2008000017	2020-05-26. Service bulletin. ESS Unavailable In Areas 5,250 Feet (1600 Meters) Above Sea Level
W05	2020-05-18. Service bulletin. Customer Satisfaction Notification W05 Reprogram Powertrain Control Module
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.