Outside air temperature sensor - signal low
Volvo · engine
Data confidence62%
The control module detected that the Outside air temperature signal stayed below the expected range. This is the manufacturer-specific definition used by Volvo.
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.