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TuningBot DTC Database · v4.37.15

P0E81 Auxiliary Cooling System Coolant Temperature Sensor A Circuit

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P0E81 means

P0E81
Auxiliary Cooling System Coolant Temperature Sensor A Circuit Generic · engine Data confidence 65%

The control module detected improper operation of the Auxiliary Cooling System Coolant Temperature Sensor A circuit.

Related and nearby codes

How to read P0E81

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

E81

Specific fault index within the subsystem.

Frequently asked questions about P0E81

What does P0E81 mean?

Auxiliary Cooling System Coolant Temperature Sensor A Circuit. The control module detected improper operation of the Auxiliary Cooling System Coolant Temperature Sensor A circuit.

Is P0E81 generic or manufacturer-specific?

P0E81 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0E81 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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