WenmarOpen by Wenmar Pro

Service bulletin 1804223

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 id10241131
Published by NHTSA2023-08-21
Manufacturer's number1804223
Manufacturer's date2023-06-29
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

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 Diagnostic Trouble Codes (DTCs) have been set: ? **P1CEA-00 - Boost Side EVAP Purge System Performance.** ? P2AC0-00 - Intake Air O2 Sensor Reference Voltage Circuit Range/Performance Bank 1. 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, Automatic transmission, Manual transmission, Transmission control module

Trouble codes named

P1CEA, P2AC0

Vehicles listed
ALFA ROMEO GIULIA2022

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