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Service bulletin 155

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 id10019595
Published by NHTSA2006-04-01
Manufacturer's number155
Manufacturer's date2006-03-20
NHTSA componentVEHICLE SPEED CONTROL

NHTSA's summary

ELECTRONIC THROTTLE SYSTEM SOFTWARE UPGRADE. *TT

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

Throttle and cruise control

Vehicles listed
VOLVO C701999, 2000, 2001, 2002
VOLVO S602001, 2002
VOLVO S701999, 2000
VOLVO S801999, 2000, 2001
VOLVO V701999, 2000, 2001, 2002
VOLVO V70XC1999, 2000 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC702001

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

Recalls for the same vehicles and component
06V4410002006-11-15. VEHICLE SPEED CONTROL

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
TJ28941-4-0-20192019-04-08. Service bulletin. This is a Technical Journal: When sensitive information, like vehicle speed, brake usage, etc. (customer behavoiur information) of a car is required from Volvo Car Corporation from external sources, either of these two documents should be filled in and attached to the affected Vehicle Report. (External sources: Authority, Insurance companies, Rental companies, etc)
1492006-04-01. Service bulletin. ELECTRONIC THROTTLE MODULE (ETM) EXTENDED WARRANTY. *TT
27042005-09-27. Service bulletin. CRUISE CONTROL BEING INOPERATIVE MAY BE SOFTWARE RELATED AND IS LIKELY TO OCCUR WHILE ON-BOARD DIAGNOSTICS ARE RUNNING. *TT
2500232004-07-06. Service bulletin. ELECTRONIC THROTTLE MODULE (ETM), CLEANING. *MJ
28352002-04-25. Service bulletin. COMPLAINTS OF IDLE SPEED BEING UNEVEN AND NOTICEABLE TO THE DRIVER, ESPECIALLY WITH THE INCREASED LOAD PRODUCED BY THE AIR CONDITIONING COMPRESSOR CYCLING ON AND OFF. *TT
27032002-04-02. Service bulletin. CUSTOMERS MAY COMPLAIN OF THE CRUISE CONTROL NOT HOLDING THE DESIRED SPEED. *SLC
27032002-03-26. Service bulletin. WHILE DOWN HILL DRIVING, THE CRUISE CONTROL SYSTEM MAY NOT HOLD THE DESIRED SPEED. *TT
28352001-10-03. Service bulletin. COMPLAINTS OF IDLE SPEED BEING UNEVEN AND NOTICEABLE TO THE DRIVER, ESPECIALLY WITH THE INCREASED LOAD PRODUCED BY THE AIR CONDITIONING COMPRESSOR CYCLING ON AND OFF. *TT
28322001-10-03. Service bulletin. ON SOME OCCASIONS, WHEN SLOWING DOWN / COMING TO A STOP / A/C COMPRESSOR CYCLES ON / OFF OR DURING A ROUGH COLD START, OWNERS OF VEHICLES EQUPPED WITH NON-TURBO CHARGED ENGINES MAY EXPERIENCE MOMENTARY IDLE FLUCTUATIONS. *TT
2500232001-09-04. Service bulletin. THIS SERVICE BULLETIN DESCRIBES HOW TO CLEAN THE ELECTRONIC THROTTLE MODULE (ETM) BORE. *TT