Quick checklist
Check IAT sensor wiring, test sensor
OBD2 Codes
P0112 – IAT Sensor Circuit Low Input
IAT sensor reading too low
Details
The IAT sensor is reading abnormally low.
Typical causesFaulty IAT sensor, wiring issue
SymptomsCheck engine light
SeverityLow
DIY checksCheck IAT sensor wiring, test sensor
ToolsOBD2 scanner
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FAQ
Common questions
What causes P0112?
Faulty IAT sensor, wiring issue
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