WenmarOpen by Wenmar Pro

Service bulletin 18-026-20

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)
TypeService bulletin
NHTSA id10175578
Published by NHTSA2020-05-26
Manufacturer's number18-026-20
Manufacturer's date2020-03-25
NHTSA componentENGINE AND ENGINE COOLING; BACK OVER PREVENTION; POWER TRAIN; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

NHTSA's summary

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.

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

Brakes, Driver assistance, Electrical system, Engine, Fuel system, Lighting, Transmission and driveline, Backup camera

Trouble codes named

P0096, P0106, P013A, P015A, P0191, P01BA, P024A, P026E, P04DB, P164E, P1CEA, P2097, P2299, P24D6, P2B2F, U1008

Vehicles listed
ALFA ROMEO STELVIO2018

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
08-029-202020-05-18. Service bulletin. RAN RAP RAJ RAG and RSD Radio Software Enhancements This bulletin involves inspecting and if required, updating the radio to software level MV-002.010.041.The customer should be informed that after the reprogram, the radio will need to have the phones paired to the Entertainment Telematics Module (ETM). The operative details for pairing telephones and settings are shown in theOwner Handbook of the infotainment module. Some customers may experience one or more of the following:Voice commands not recognized, especially in SiriusXM®. Can?t select certain character in navigation, character grayed out. Radio may reboot while driving. Tweeter noise during audio streaming. Ipod Nano® not recognized. Voice recognition does not work when setting an address in Spanish. In addition, the following improvements are included:Stability improvements, to help prevent the radios from rebooting and freezing. Preset management improvements, for better usability. Additional phone compatibility improvements on phones not tested in the past.