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Service bulletin KC-537

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 id10188149
Published by NHTSA2021-03-04
Manufacturer's numberKC-537
Manufacturer's date2021-02-05
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

NHTSA's summary

Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; - US17+OBD16 and US17+OBD2018 Emissions, Model Year 2018,2019

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

Engine, Equipment and accessories

Trouble codes named

P103C, P20EE

Vehicles listed
VOLVO VOLVO TRUCK

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