HomeP0126 · Manufacturer communications

P0126 · Manufacturer communications

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

P0126 →

01-011-21-3800a

MAZDA

Reported code forms P0126:00

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,…

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01-011-21-3800

MAZDA

Reported code forms P0126:00

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,…

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SA-017-21a

MAZDA

Reported code forms P0126:00

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…

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SA-017-21

MAZDA

Reported code forms P0126:00

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.…

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SA-035-20b

MAZDA

Reported code forms P0126:00

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.…

Read communication ↗

SA-035-20a

MAZDA

Reported code forms P0126:00

Some customers may experience the CHECK ENGINE LIGHT ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: à ̄‚· The engine takes longer to warm up. à ̄‚· The engine temperature…

Read communication ↗

SA-035-20

MAZDA

Reported code forms P0126:00

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.…

Read communication ↗

01-010-13-2775B

MAZDA

Reported code forms P0126:00

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…

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01-010-13-2775A

MAZDA

Reported code forms P0126:00

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…

Read communication ↗

01-010-13-2775

MAZDA

Reported code forms P0126:00

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…

Read communication ↗