Evaporative emission (EVAP) system - blockage detected
Chrysler · emissions
Data confidence62%
The control module detected a fault associated with the Evaporative emission (EVAP) system - blockage detected circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Thermostat - range/performance problem
Honda · thermal_management
Data confidence62%
The control module judged the Thermostat behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Honda.
EGR Solenoid Valve Vent Open or Short
Hyundai · emissions
Data confidence62%
The control module detected an open circuit or short circuit condition in the EGR Solenoid Valve Vent circuit. This is the manufacturer-specific definition used by Hyundai.
Exhaust gas recirculation (EGR) valve - malfunction
Mazda · emissions
Data confidence62%
The control module detected improper operation of the Exhaust gas recirculation (EGR) valve. This is the manufacturer-specific definition used by Mazda.
Engine coolant blower motor relay - signal low
Volvo · climate_control
Data confidence62%
The control module detected that the Engine coolant blower motor relay 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.
486
Specific fault index within the subsystem.
Frequently asked questions about P1486
What does P1486 mean?
Diagnostic Trouble Code (6 interpretations). The control module detected a fault associated with the Evaporative emission (EVAP) system - blockage detected circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Is P1486 generic or manufacturer-specific?
P1486 is a manufacturer-specific code. In this database it is documented for: Chrysler, Honda, Hyundai, Mazda, Mitsubishi, Volvo. The same number can mean something different on other brands.
Can TuningBot remove P1486 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.