WenmarOpen by Wenmar Pro

Service bulletin PIE0564A

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 id10188406
Published by NHTSA2021-03-08
Manufacturer's numberPIE0564A
Manufacturer's date2021-01-06
NHTSA componentEQUIPMENT; SERVICE BRAKES, HYDRAULIC:FLUID

NHTSA's summary

This engineering information (EI) bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a brake fluid leak being detected with DTC C2A22 Symptom 00 Set.

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

Brakes, Equipment and accessories, Brake fluid

Trouble codes named

C2A22

Vehicles listed
CADILLAC XT42019, 2020

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