MAZDA

01-010-13-2775A

2013-04-02 · NHTSA 10097379

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

ON CERTAIN SUBJECT VEHICLES, THE MALFUNCTION INDICATOR LIGHT (MIL) MAY ILLUMINATE WITH DTC P0126:00 (THERMOSTAT STUCK OPEN) STORED IN THE POWERTRAIN CONTROL MODULE (PCM) MEMORY. THE THERMOSTAT FUNCTIONS NORMALLY, BUT THE “THERMOSTAT STUCK OPEN” CONDITION IS MISTAKENLY DETECTED DUE TO INAPPROPRIATE PCM SOFTWARE.THIS CONCERN WILL OCCUR UNDER THE FOLLOWING CONDITIONS: •WHEN DRIVING ON HIGHWAYS/FREEWAYS IMMEDIATELY AFTER A COLD START•WHEN THE AMBIENT TEMPERATURE IS 14 TO 32 DEGREES F (-10 TO 0 DEGREES C) •WHEN OPERATING THE HVAC SYSTEM IN THE MAXIMUM AIRFLOW MODE

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.