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TuningBot DTC Database · v4.37.15

P2027 Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit High Voltage

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

P · PowertrainEmissionsOBD2

What P2027 means

P2027
Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit High Voltage Generic · emissions Data confidence 85%

The control module detected that the signal in the Evaporative Emissions (EVAP) Fuel Vapor Temperature circuit stayed above the expected operating range.

Symptoms

  • MIL illuminated
  • Possible fuel smell in case of larger leaks

Possible causes

  • Wiring short to positive
  • EVAP fuel vapour temperature sensor

Recommended checks

  • Check fuel filler cap seating first
  • Read fuel tank pressure sensor values
  • Actuate purge and vent valves and verify response
  • Smoke-test the EVAP system for leaks

Related and nearby codes

How to read P2027

P

Powertrain: engine, transmission and driveline systems.

2

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

027

Specific fault index within the subsystem.

Frequently asked questions about P2027

What does P2027 mean?

Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit High Voltage. The control module detected that the signal in the Evaporative Emissions (EVAP) Fuel Vapor Temperature circuit stayed above the expected operating range.

Is P2027 generic or manufacturer-specific?

P2027 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2027 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

ECU tuningDyno-tested results by model and engine See the results →

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