P0112
IAT Sensor 1 Circuit Low Input
1998-2008 Volkswagen Pointer 1.8L I4 🇦🇺
Low SeverityPowertrain
Description
The IAT sensor circuit voltage is lower than expected, indicating a very high temperature or short.
Symptoms
- Check Engine Light
- Rich fuel mixture
- Poor economy
Common Causes
- Short to ground in IAT circuit
- Faulty sensor
- Water intrusion in connector
Diagnostic Steps
- Test sensor resistance
- Check for shorts to ground
- Inspect connector for moisture
Repair Notes
Repair short or replace sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0112 on Other Vehicles
Volkswagen Amarok BR
2010-2025 2.0L I4 TDI Diesel
Volkswagen Amarok BR
2018-2025 3.0L V6 TDI Diesel
Volkswagen Arteon
2019-2024 2.0L Turbo I4
Volkswagen Atlas
2018-2024 2.0L Turbo I4
Volkswagen Atlas
2018-2024 3.6L V6
Volkswagen Atlas Cross Sport
2020-2024 2.0L Turbo I4
Volkswagen Atlas Cross Sport
2020-2024 3.6L V6
Volkswagen Beetle
2012-2019 2.0L Turbo I4
Common Questions
What does code P0112 mean on a 1998-2008 Volkswagen Pointer?
P0112 stands for "IAT Sensor 1 Circuit Low Input". The IAT sensor circuit voltage is lower than expected, indicating a very high temperature or short.
What are the symptoms of P0112 on a Volkswagen Pointer?
Common symptoms of P0112 include: Check Engine Light, Rich fuel mixture, Poor economy.
What causes P0112 on a 1998-2008 Volkswagen Pointer?
Common causes of P0112 include: Short to ground in IAT circuit, Faulty sensor, Water intrusion in connector.