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TuningBot DTC Database · v4.37.14

P1420 Volvo - Outside air temperature sensor - signal low

Manufacturer-specific interpretation for Volvo. All interpretations of P1420

P · PowertrainEngineOBD2

What P1420 means

P1420
Outside air temperature sensor - signal low Volvo · engine Data confidence 62%

The control module detected that the Outside air temperature signal stayed below the expected range. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • short to ground
  • poor connection
  • outside air temperature sensor
  • ECM

Related and nearby codes

How to read P1420

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

420

Specific fault index within the subsystem.

Frequently asked questions about P1420

What does P1420 mean?

Outside air temperature sensor - signal low. The control module detected that the Outside air temperature signal stayed below the expected range. This is the manufacturer-specific definition used by Volvo.

Is P1420 generic or manufacturer-specific?

P1420 is a manufacturer-specific code. In this database it is documented for: Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1420 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for Volvo engines See the results →

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