Detailed information on troubleshooting and repairing a p0112 automotive trouble code which refers to the IAT sensor circuit. Also includes links to relevant forum topics on the code.

Dec 27, 2025 · A P0112 code indicates a critical issue with the Intake Air Temperature (IAT) sensor circuit, affecting engine performance and fuel efficiency. Wiring faults, sensor failures, and incorrect …

Aug 19, 2024 · It is important to address P0112 promptly to prevent potential engine damage, poor performance, and decreased fuel efficiency. Ignoring the code can lead to more severe issues over …

OBD-II Code P0112 is defined as a Intake Air Temperature Circuit Low Input. The Intake Air Temperature Sensor measures the rise and fall of the air temperature inside the Intake Manifold.

Finally, the P0112 DTC code indicates a potential problem with an intake air temperature sensor circuit. You can help to solve this problem effectively by understanding the meaning, causes, symptoms, …

Dec 29, 2020 · Higher combustion temps mean higher levels of NOx in your exhaust, so a P0112 code would mean a failed emissions test as well as poor fuel economy and performance. In some …

May 16, 2024 · If you’re seeing the P0112 trouble code flash up on your dashboard, you’re likely searching for what it means and how you can fix it. This guide will cover everything from symptoms …

Feb 2, 2025 · What does the P0112 code mean? The P0112 code indicates a problem with the intake air temperature (IAT) circuit for Bank 1. This circuit is crucial as it helps your engine control module …

Primary cause is a low‑voltage signal from the IAT sensor circuit, often due to wiring or ECM communication faults. Diagnosis starts with a live scan, voltage verification, and ECM communication …

P0112 is a diagnostic trouble code (DTC) for "IAT Sensor Circuit Low Input Problem". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be …