MAZDA
01-010-13-2775B
Manufacturer communications
- Publication date
- 2013-04-17
- Received by NHTSA
- 2017-04-14
- NHTSA record numbers
- 10097374
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
•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
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.