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Service bulletin 18-018-25

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 id11015647
Published by NHTSA2025-03-17
Manufacturer's number18-018-25
Manufacturer's date2025-03-12
NHTSA componentPOWER TRAIN
Manufacturer's systemPowertrain Control Module

NHTSA's summary

"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0072-00 - Ambient Air Temperature Sensor Circuit Low. ● P0073-00 - Ambient Air Temperature Sensor Circuit High. ● P00B2-00 - Radiator Coolant Temperature Sensor Circuit Range-performance. ● P0607-00 - Control Module Performance. The customer may also experience the following: ● Vehicle is in limp mode REPAIR SUMMARY: This bulletin involves reprogramming the PCM with the latest available software. "

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

Trouble codes named

P0072, P0073, P00B2, P0607

Vehicles listed
ALFA ROMEO GIULIA2020

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