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P0112Intake air temperature sensor circuit low
P0112 means “Intake air temperature sensor circuit low”. It's a generic powertrain code (fuel and air metering), so it means the same on every make, including VW, Škoda, Audi, SEAT and Cupra.
- Not urgent
- SystemSensors
- TypeGeneric (same on all makes)
- VCDS number16496
How urgent is it?
Usually not urgent; often emissions-related.
Which system and module
Scanline files it under Sensors. The first letter, P, means powertrain (engine, transmission, emissions).
Usually stored by the engine control unit (VCDS address 01, Engine).
What usually causes it
- IAT sensor
- wiring shorted to ground
Typical causes are a starting point, not a diagnosis of your car.
Related codes
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Open ScanlineScanline explains fault codes; it isn't a repair authority. This page explains what the code means; it can't tell you what is wrong with your car. Ross-Tech's wiki has their own notes on VW Group faults.