Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
MAZDA
Reported code forms P011A:00
Some customers may complain about poor heater performance even after the engine reaches normal operating temperature. This may be caused by a plugged heater core. For 2014-2016 Mazda6 and 2013-2016 (US spec) / 2017…
MAZDA
Reported code forms P011A:00
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…
MAZDA
Reported code forms P011A
If you encounter a 2013-2016 CX-5 with DTC P011A with overheating and/or no heat from the heater, compare the heater performance to another CX-5. If another CX-5 is not available, check the heater core flow and if…
MAZDA
Reported code forms P011A
IF YOU ENCOUNTER A 2013-2016 CX-5 WITH DTC P011A WITH OVERHEATING AND/OR NO HEAT FROM THE HEATER, COMPARE THE HEATER PERFORMANCE TO ANOTHER CX-5. IF ANOTHER CX-5 IS NOT AVAILABLE, CHECK THE HEATER CORE FLOW AND IF…
MAZDA
Reported code forms P011A P011A:00
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…
MAZDA
Reported code forms P011A P011A:00
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…
CHEVROLET, GMC
Reported code forms P011A
GMC/CHEVROLET: ENGINE COOLANT SENSOR DTCS P011A, P2184, AND P2185. DEALER MAY ENCOUNTER CONCERN OF SES LIGHT ON OR DTCS P011A, P2184 AND P2185. DIESEL ENGINES HAVE 2 ECT (ENGINE COOLANT TEMPERATURE) SENSORS. *PE