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SA-017-21a

Manufacturer communications

Publication date
2021-03-08
Received by NHTSA
2021-04-06
NHTSA record numbers
10189949

Manufacturer summary

Original wording in English

CHECK ENGINE LIGHT ON WITH DTC P0126:00 AND ENGINE RUNNING COOLER THAN NORMAL / POOR HEATER PERFORMANCE / LOW ENGINE COOLANT TEMPERATURE (BLUE) LIGHT ON: Some customers may experience the CHECK ENGINE LIGHT ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: The engine takes longer to warm up. The engine temperature gauge fluctuates. The low coolant temperature indicator (blue) light stays on longer or comes on while driving. Poor heater performance, especially at idle.

NHTSA manufacturer communications ↗

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.

MakeModelModel year
MazdaCX-32020
MazdaCX-32019
MazdaCX-302020
MazdaCX-52020
MazdaCX-52019
MazdaCX-52018
MazdaMAZDA32020
MazdaMAZDA32019
MazdaMAZDA32018
MazdaMAZDA62020
MazdaMAZDA62019
MazdaMAZDA62018

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