P011A on the 2016 Mazda Mazda6
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 07-007-17-3384 | 2017-10-21. Service bulletin. Some customers may complain about poor heater performance even after the engine reaches normal operating temperature. This may be caused by a clogged heater unit. For Mazda6 and CX-5, the check engine light may illuminate with the DTC P011A:00 stored at the same time. P011A:00 ECT sensor No.1/No.2 performance problem. NOTE: Refer to TSB 01-015/15 if the customer is using a block heater at temperatures below freezing. |
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| 01-015-15-3064A | 2017-05-31. Service bulletin. SOME VEHICLES USING AN AUXILIARY HEATER (BLOCK HEATER) MAY EXPERIENCE THE CHECK ENGINE LIGHT ON WITH DTC P0116:00 OR P011A WHEN STARTING IN COLD WEATHER BELOW 32 °F (0 °C). • P0116:00: ECT SENSOR NO.1 CIRCUIT RANGE/PERFORMANCE PROBLEM • P011A:00: ECT SENSOR NO.1/NO.2 PERFORMANCE PROBLEM THIS IS CAUSED BY ERROR DETECTION LOGIC OF THE PCM. TO CORRECT THE PROBLEM, THE CONTROL LOGIC OF THE PCM HAS BEEN CHANGED. |
| 01-015-15-3064 | 2017-05-17. Service bulletin. SOME VEHICLES USING AN AUXILIARY HEATER (BLOCK HEATER) MAY EXPERIENCE THE CHECK ENGINE LIGHT ON WITH DTC P0116:00 OR P011A WHEN STARTING IN COLD WEATHER BELOW 32 °F (0 °C). • P0116:00: ECT SENSOR NO.1 CIRCUIT RANGE/PERFORMANCE PROBLEM • P011A:00: ECT SENSOR NO.1/NO.2 PERFORMANCE PROBLEM. THIS IS CAUSED BY ERROR DETECTION LOGIC OF THE PCM. TO CORRECT THE PROBLEM, THE CONTROL LOGIC OF THE PCM HAS BEEN CHANGED. |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.