WenmarOpen by Wenmar Pro

Service bulletin 21-032-20

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 id10175728
Published by NHTSA2020-05-26
Manufacturer's number21-032-20
Manufacturer's date2020-04-16
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

Flash: Transmission Control Module (TCM) Updates 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 the following 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.

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, Engine, Transmission and driveline

Trouble codes named

P0002, P026E, P1066, P26E4, P2B61, P2BC1, U1008

Vehicles listed
ALFA ROMEO GIULIA2018

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