Technical Service Bulletin 18-026-20 — 2018 ALFA ROMEO STELVIO

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.