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Service bulletin 21021

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 id10016649
Published by NHTSA2005-09-27
Manufacturer's number21021
Manufacturer's date2005-05-09
Replaces21021
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

ENGNE MAY HAVE ROUGH IDLE, DTC ECM MISFIRE CODES, ROUGH RUNNING OR LACK OF POWER. *SC

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

Engine

Vehicles listed
VOLVO C702004
VOLVO S402004
VOLVO S602004
VOLVO S802004
VOLVO V402004
VOLVO V702004
VOLVO XC702004
VOLVO XC902004

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

Recalls for the same vehicles and component
07V2260002007-06-05. ENGINE AND ENGINE COOLING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
35526.1.82026-05-14. Service bulletin. This is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform the test. Follow service procedure
 Description and Service sections updated to clarify that vehicle reports are not required.
CBR-22012022-09-08. Service bulletin. Engine Control Module (EMS) Software (MSW) Information – August 2022; Improvement List (Change Log) - US21+OBD22 (13L VGT, TC) And US17+OBD22 (11L) Emissions
TJ34740.1.3-20202020-02-24. Service bulletin. This is a Technical Journal: 4 Cylinder VEP engine: Castrol Edge Professional V 0W-20 Synthetic oil.
TJ21965.7.0-20192019-12-09. Service bulletin. This is a Technical Journal: Oil in cooling system. New cleaning method developed.
TJ20803-17-0-2012019-04-22. Service bulletin. This is a Technical Journal: In case of complaint of Noise, some "tools" have been created to help you to do a better and more precise fault tracing
TJ21965-5-0-20192019-04-08. Service bulletin. This is a Technical Journal: Oil in cooling system. New cleaning method developed.
TJ21965-5-0-20192019-04-01. Service bulletin. This is a Technical Journal: Oil in cooling system. New cleaning method developed.
TJ208032018-11-19. Service bulletin. This is a Technical Journal: In case of complaint of Noise, some "tools" have been created to help you to do a better and more precise fault tracing
SMB22-2062017-08-03. Service bulletin. All new Volvo engines leave the factory filled with Castrol EDGE Professional as an integral part of their delivery of high performance. Castrol EDGE Professional?s outstanding performance has made it the oil of choice for Volvo and is the only Volvo recommended engine oil.
TJ208032017-01-13. Service bulletin. THIS IS A TECHNICAL JOURNAL: IN CASE OF COMPLAINT OF NOISE, SOME "TOOLS" HAVE BEEN CREATED TO HELP YOU TO DO A BETTER AND MORE PRECISE FAULT TRACING