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Service bulletin US20756

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 id10037896
Published by NHTSA2011-06-07
Manufacturer's numberUS20756
Manufacturer's date2011-01-05
NHTSA componentPOWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

NHTSA's summary

VOLVO: ABS LIGHT ON, FOUR-WHEEL DRIVE IS NOT WORKING. THERE IS A SOFTWARE PROBLEM. *RM

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

Transmission and driveline, Differential

Vehicles listed
VOLVO S402004, 2005
VOLVO S602003, 2004, 2005, 2006, 2007, 2008
VOLVO S802004, 2005, 2006
VOLVO S802009, 2010
VOLVO V502005
VOLVO V702003, 2004, 2005, 2006, 2007
VOLVO XC602010
VOLVO XC702003
VOLVO XC702004, 2005, 2006, 2007
VOLVO XC702009, 2010
VOLVO XC902003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

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

Other bulletins for the same vehicles and component
RTJ-221032010-06-28. Service bulletin. VOLVO: REAR DIFFERENTIAL HOUSING, LEAKAGE AND RESEALING. OIL LEAKAGE/MOISTURE FROM THE REAR DIFFERENTIAL HOUSING HALVES CAN BE RESOLVED BY RESEALING THE HOUSING AND REPLACING THE SEALS. THE REAR DIFFERENTIAL ITSELF DOES NOT NORMALLY NEED TO BE REPLACED. *PE