P1420

Set by the manufacturer, so it means different things on different makes. 15 makes in the table below.

More codes than this one? Paste your whole scan

What P1420 means, by make 15 makes

Audi Secondary air-N112 electrical fault in the circuit 45A4 17828
BMW Secondary Air Valve Control Circuit Electrical
Chevrolet Intake Air Low Pressure Switch Circuit Low Voltage
Chrysler Register Resonant Charging 1 (RRC1)
Citroen Catalyst Temperature Sensor Failure
Dodge Register Resonant Charging 1 (RRC1)
Ford Catalyst Temperature Sensor Failure
Honda Nox Adsorptive Catalyst System Efficiency Below Threshold Catalytic converter
Jeep Register Resonant Charging 1 (RRC1)
Mercedes-Benz AIR pump switchover valve (Y32)
Peugeot Catalyst Temperature Sensor Failure
Subaru Exhaust Gas Recirculation Circuit High Input
Toyota Intake Constrictor CTRL Circuit Open or Short
Volkswagen Secondary air-N112 electrical fault in the circuit 45A4 17828
Volvo Sec. Air Inj. Valve Circ Electrical Malfunction

Each line is that manufacturer's own meaning for P1420. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure P1420

Powertrain

engine, transmission and emissions

Manufacturer-specific

Defined by the vehicle manufacturer, so the meaning varies between makes.

Fault index

identifies the specific fault

Powertrain Manufacturer-specific

Nearby codes in the P1 range

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.