# 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.

## Bulletins for this model year that name P011A

- [10120384](https://open.wenmarpro.com/bulletins/10120384), 2017-10-21: 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.
- [10101466](https://open.wenmarpro.com/bulletins/10101466), 2017-05-31: 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.
- [10099417](https://open.wenmarpro.com/bulletins/10099417), 2017-05-17: 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.