WenmarOpen by Wenmar Pro

Service bulletin 3840A

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 id10019218
Published by NHTSA2006-02-21
Manufacturer's number3840A
NHTSA componentSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

NHTSA's summary

DIAGNOSTIC TROUBLE CODE U0101 SET IN THE EBCM. CADILLAC ESCALADE 2007, CHEVROLET AVALANCHE, SUBURBAN, TAHOE, 2007, AND GMC YUKON 2007. *AK

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Anti-lock brakes

Trouble codes named

U0101

Vehicles listed
UNKNOWN UNKNOWN

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