Honda Accord 2001–2002 — technical service bulletin
Bulletin 1003 · NHTSA communication 10004966 · issued Oct 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
3
vehicle entries
Official summary
Under certain driving conditions after a cold start, the ecm/pcm can miscalculate how fast the engine coolant temperature rises and set diagnostic trouble code (dtc) p0128 or p1486 (cooling system malfunction). Honda servicenews. *tt
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.