Volvo C70 2004 — technical service bulletin
Bulletin 2121 · NHTSA communication 10016499 · issued May 12, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
8
vehicle entries
Official summary
Engine may have a rough idle, dtc ecm misfire codes, rough running or lack of power. *sc
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.