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Service bulletin 1003

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 id10004966
Published by NHTSA2004-01-22
Manufacturer's number1003
Manufacturer's date2003-10-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's 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

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, Cooling system

Trouble codes named

P0128, P1486

Vehicles listed
HONDA ACCORD2001
HONDA CIVIC2001, 2002

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
110120032004-09-21. Service bulletin. HEATER BLOWER MOTOR GETS HOT OR BLOWS A FUSE. HONDA. SERVICENEWS. *TT
0101012001-10-31. Service bulletin. SUBJECT ON REGARDING:ENGINE COOLING. *ET
0102002001-05-09. Service bulletin. BRIEF INFORMATION ON DIAGNOSING ENGINE COOLANT TEMPERATURE SENSORS AND TEMPERATURE GAUGES. *TT